diff --git a/chrome/Fx65_tabs_on_bottom.css b/chrome/Fx65_tabs_on_bottom.css
index 5d87707..20e9a42 100644
--- a/chrome/Fx65_tabs_on_bottom.css
+++ b/chrome/Fx65_tabs_on_bottom.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/Fx65_tabs_on_bottom.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Modify to change window drag space width */
 /*
 Use Fx65_tabs_on_bottom_menubar_on_top_patch.css if you
diff --git a/chrome/Fx65_tabs_on_bottom_menubar_on_top_patch.css b/chrome/Fx65_tabs_on_bottom_menubar_on_top_patch.css
index e642708..3b3bc88 100644
--- a/chrome/Fx65_tabs_on_bottom_menubar_on_top_patch.css
+++ b/chrome/Fx65_tabs_on_bottom_menubar_on_top_patch.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/Fx65_tabs_on_bottom_menubar_on_top_patch.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Menubar on top patch - use with Fx65_tabs_on_bottom.css */
 /* Only really useful if menubar is ALWAYS visible */
 
diff --git a/chrome/autohide_bookmarks_toolbar.css b/chrome/autohide_bookmarks_toolbar.css
index f4dd9a2..763ecb1 100644
--- a/chrome/autohide_bookmarks_toolbar.css
+++ b/chrome/autohide_bookmarks_toolbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_bookmarks_toolbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 #PersonalToolbar{
   --uc-bm-height: 20px; /* Might need to adjust if the toolbar has other buttons */
   --uc-bm-padding: 2px; /* Vertical padding to be applied to bookmarks */
diff --git a/chrome/autohide_menubar.css b/chrome/autohide_menubar.css
index 7281c2b..b71c74c 100644
--- a/chrome/autohide_menubar.css
+++ b/chrome/autohide_menubar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_menubar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes menubar behave like on mac */
 /* Menubar will be shown when cursor touches top of the spacers on both side of tabs. Window controls will be in menubar, so they are automatically hidden */
 /* Make sure you have menubar enabled */
diff --git a/chrome/autohide_navigation_button.css b/chrome/autohide_navigation_button.css
index 1a01ddf..dd64567 100644
--- a/chrome/autohide_navigation_button.css
+++ b/chrome/autohide_navigation_button.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_navigation_button.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hides navigation-buttons (back/forward/stop/reload) buttons and shows them when cursor is over the right edge of urlbar  */
 /* Disabled button are completely hidden, such as back-button when there is no page to go back to */
 
diff --git a/chrome/autohide_sidebar.css b/chrome/autohide_sidebar.css
index 68b211b..0d17285 100644
--- a/chrome/autohide_sidebar.css
+++ b/chrome/autohide_sidebar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_sidebar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show sidebar only when the cursor is over it  */
 /* The border controlling sidebar width will be removed so you'll need to modify these values to change width */
 
diff --git a/chrome/autohide_tabstoolbar.css b/chrome/autohide_tabstoolbar.css
index d23ab74..c7835ff 100644
--- a/chrome/autohide_tabstoolbar.css
+++ b/chrome/autohide_tabstoolbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_tabstoolbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hide tabs unless cursor is on top of toolbar */
 
 @keyframes slidein{
diff --git a/chrome/autohide_toolbox.css b/chrome/autohide_toolbox.css
index 6c2453d..49f69d0 100644
--- a/chrome/autohide_toolbox.css
+++ b/chrome/autohide_toolbox.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/autohide_toolbox.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hide the whole toolbar area unless urlbar is focused or cursor is over the toolbar */
 /* Dimensions on non-Win10 OS probably needs to be adjusted */
 
diff --git a/chrome/blank_page_background.css b/chrome/blank_page_background.css
index 2aa543f..f518691 100644
--- a/chrome/blank_page_background.css
+++ b/chrome/blank_page_background.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/blank_page_background.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Set blank page background-color */
 /* Uses color from theme_colors if available */
 
diff --git a/chrome/bookmarksbar_on_new_tabs_only.css b/chrome/bookmarksbar_on_new_tabs_only.css
index 108ea1a..88b3e45 100644
--- a/chrome/bookmarksbar_on_new_tabs_only.css
+++ b/chrome/bookmarksbar_on_new_tabs_only.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/bookmarksbar_on_new_tabs_only.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* This stylesheet is deprecated since Firefox 72 */
 /* Use autohide_bookmarks_toolbar.css instead */
 
diff --git a/chrome/button_effect_icon_glow.css b/chrome/button_effect_icon_glow.css
index ea3a09e..689dc05 100644
--- a/chrome/button_effect_icon_glow.css
+++ b/chrome/button_effect_icon_glow.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/button_effect_icon_glow.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Replace the button background-colors with a glow effect */
 /* Edit the color choices how you see fit */
 
diff --git a/chrome/button_effect_scale_onclick.css b/chrome/button_effect_scale_onclick.css
index 2fcd2bb..037c4e9 100644
--- a/chrome/button_effect_scale_onclick.css
+++ b/chrome/button_effect_scale_onclick.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/button_effect_scale_onclick.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Effect */
 
 :root:not([uidensity="compact"]) #back-button{ --uc-back-extra-padding: 2px }
diff --git a/chrome/button_effect_scale_onhover.css b/chrome/button_effect_scale_onhover.css
index 95f0968..f526741 100644
--- a/chrome/button_effect_scale_onhover.css
+++ b/chrome/button_effect_scale_onhover.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/button_effect_scale_onhover.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Effect */
 
 :root:not([uidensity="compact"]) #back-button{ --uc-back-extra-padding: 2px }
diff --git a/chrome/classic_grid_main_menu_popup.css b/chrome/classic_grid_main_menu_popup.css
index 5c6accb..ebcb589 100644
--- a/chrome/classic_grid_main_menu_popup.css
+++ b/chrome/classic_grid_main_menu_popup.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/classic_grid_main_menu_popup.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes the main menu popup apper in grid-like format that somewhat resembles the menu from Australis styling */
 
 /* Basic styling */
diff --git a/chrome/click_selected_tab_to_focus_urlbar.css b/chrome/click_selected_tab_to_focus_urlbar.css
index a28616b..6a423b8 100644
--- a/chrome/click_selected_tab_to_focus_urlbar.css
+++ b/chrome/click_selected_tab_to_focus_urlbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/click_selected_tab_to_focus_urlbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Clicking selected tab selects focuses urlbar */
 /* Selected tab cannot be normally clicked (right-,middle- or left-clicked) EXCEPT from the tab icon */
 
diff --git a/chrome/color_variable_template.css b/chrome/color_variable_template.css
index df8e44f..d1d4a6f 100644
--- a/chrome/color_variable_template.css
+++ b/chrome/color_variable_template.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/color_variable_template.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* You should enable any non-default theme for these to apply properly. Built-in dark and light themes should work */
 :root{
   /* Popup panels */
diff --git a/chrome/combined_favicon_and_tab_close_button.css b/chrome/combined_favicon_and_tab_close_button.css
index 6992bb8..d38b5ac 100644
--- a/chrome/combined_favicon_and_tab_close_button.css
+++ b/chrome/combined_favicon_and_tab_close_button.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/combined_favicon_and_tab_close_button.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show tab close button when cursor is over the tab icon */
 
 .tab-close-button{
diff --git a/chrome/compact_urlbar_megabar.css b/chrome/compact_urlbar_megabar.css
index b94a98d..671b1ef 100644
--- a/chrome/compact_urlbar_megabar.css
+++ b/chrome/compact_urlbar_megabar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/compact_urlbar_megabar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Make urlbar megabar appear more compact */
 /* Set the pref browser.urlbar.megabar to true */
 #urlbar[breakout]{
diff --git a/chrome/dark_additional_windows.css b/chrome/dark_additional_windows.css
index 88cf469..fef052f 100644
--- a/chrome/dark_additional_windows.css
+++ b/chrome/dark_additional_windows.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/dark_additional_windows.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Dark library, page-info and bookmark-properties */
 /* Color scheme matches default dark theme */
 
diff --git a/chrome/dark_checkboxes_and_radios.css b/chrome/dark_checkboxes_and_radios.css
index 6cca2ae..a9f5b2c 100644
--- a/chrome/dark_checkboxes_and_radios.css
+++ b/chrome/dark_checkboxes_and_radios.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/dark_checkboxes_and_radios.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Change the appearance of natively styled widgets including radios, checkboxes, buttons and expender "dropdown" arrows */
 /* Their background will be transparent instead of white so they will appear fitting to whatever is on the background */
 /* As such, this might cause a small issue if the background happens to be same color as the border of these buttons or the checkbox-image */
diff --git a/chrome/dark_context_menus.css b/chrome/dark_context_menus.css
index 930860f..dd48abd 100644
--- a/chrome/dark_context_menus.css
+++ b/chrome/dark_context_menus.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/dark_context_menus.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes context menus dark. Also affects some portions of menu popups */
 /* Uses dark theme colors but does not respect dark theme variables (they wouldn't work on sidebar context menu) */
 
diff --git a/chrome/dark_theme_aware_statuspanel.css b/chrome/dark_theme_aware_statuspanel.css
index 1431891..43a6677 100644
--- a/chrome/dark_theme_aware_statuspanel.css
+++ b/chrome/dark_theme_aware_statuspanel.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/dark_theme_aware_statuspanel.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* 
 Makes statuspanel aware of the the theme text color
 Meaning, if theme text is light then the statuspanel uses dark background and light text. On themes with dark text the statuspanel has normal appearance.
diff --git a/chrome/disable_newtab_on_middle_click.css b/chrome/disable_newtab_on_middle_click.css
index 01aa206..57218a4 100644
--- a/chrome/disable_newtab_on_middle_click.css
+++ b/chrome/disable_newtab_on_middle_click.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/disable_newtab_on_middle_click.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Prevents middle-clicking in empty area in tabs toolbar from opening new tabs */
 
 #tabbrowser-arrowscrollbox{pointer-events: none}
diff --git a/chrome/fake_statusbar.css b/chrome/fake_statusbar.css
index 5a450ef..2f94b4a 100644
--- a/chrome/fake_statusbar.css
+++ b/chrome/fake_statusbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/fake_statusbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Creates a statusbar by using menubar */
 /* Since it's really the menubar this won't work if you also want the menubar on top of the screen */
 
diff --git a/chrome/floating_findbar_on_top.css b/chrome/floating_findbar_on_top.css
index 240d6a6..b54fc95 100644
--- a/chrome/floating_findbar_on_top.css
+++ b/chrome/floating_findbar_on_top.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/floating_findbar_on_top.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 findbar{
   -moz-box-ordinal-group: 0;
   margin-bottom: calc(0px - 2 * var(--toolbarbutton-inner-padding) -  25px);
diff --git a/chrome/full_width_urlbar_popup.css b/chrome/full_width_urlbar_popup.css
index 3e12a42..c55cc13 100644
--- a/chrome/full_width_urlbar_popup.css
+++ b/chrome/full_width_urlbar_popup.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/full_width_urlbar_popup.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* DEPRECATED - USE urlbar_full_width.css instead */
 
 /* Makes urlbar popup fit to window width, like in Firefox versions < 71 without "Megabar" */
diff --git a/chrome/google_style_urlbar_popup.css b/chrome/google_style_urlbar_popup.css
index 18d0432..f0017c9 100644
--- a/chrome/google_style_urlbar_popup.css
+++ b/chrome/google_style_urlbar_popup.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/google_style_urlbar_popup.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* DEPRECATED AS OF FIREFOX 77 */
 
 /* Makes urlbar popup to appear Like on various Google search services */
diff --git a/chrome/grid_overflow_menu.css b/chrome/grid_overflow_menu.css
index d8e607e..bffeee4 100644
--- a/chrome/grid_overflow_menu.css
+++ b/chrome/grid_overflow_menu.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/grid_overflow_menu.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes the contents of the overflow menu appear in a three column grid */
 /* Hides button labels */
 
diff --git a/chrome/hide_statuspanel_when_fullscreen.css b/chrome/hide_statuspanel_when_fullscreen.css
index 82dbc57..d70469a 100644
--- a/chrome/hide_statuspanel_when_fullscreen.css
+++ b/chrome/hide_statuspanel_when_fullscreen.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_statuspanel_when_fullscreen.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Always hide status-panel when the page is in fullscreen mode such as fullscreen video player */
 /* No effect on Firefox fullscreen mode (activated with F11 key) - except when the page is in fullscreen */
 
diff --git a/chrome/hide_tabs_toolbar.css b/chrome/hide_tabs_toolbar.css
index 6809e8c..8dae3de 100644
--- a/chrome/hide_tabs_toolbar.css
+++ b/chrome/hide_tabs_toolbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_tabs_toolbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hide tabs toolbar Fx65+ */
 
 /* IMPORTANT */
diff --git a/chrome/hide_tabs_with_one_tab.css b/chrome/hide_tabs_with_one_tab.css
index 9f9ccf8..c0a88bc 100644
--- a/chrome/hide_tabs_with_one_tab.css
+++ b/chrome/hide_tabs_with_one_tab.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_tabs_with_one_tab.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs toolbar items zero-height initially and sets enlarge them to fill up space equal to tab-min-height set on tabs */
 /* Firefox 65+ only */
 
diff --git a/chrome/hide_tabs_with_one_tab_w_window_controls.css b/chrome/hide_tabs_with_one_tab_w_window_controls.css
index 9b3d407..5c0c6c7 100644
--- a/chrome/hide_tabs_with_one_tab_w_window_controls.css
+++ b/chrome/hide_tabs_with_one_tab_w_window_controls.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_tabs_with_one_tab_w_window_controls.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs toolbar items zero-height initially and sets enlarge them to fill up space equal to tab-min-height set on tabs */
 /* Firefox 65+ only */
 /* !!USER!! -  REMOVE ALL BUTTONS you can from the tabs toolbar */
diff --git a/chrome/hide_toolbox_top_bottom_borders.css b/chrome/hide_toolbox_top_bottom_borders.css
index 7377f27..91b6df5 100644
--- a/chrome/hide_toolbox_top_bottom_borders.css
+++ b/chrome/hide_toolbox_top_bottom_borders.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_toolbox_top_bottom_borders.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 :root[sizemode="normal"]{ border-top: none !important }
 #navigator-toolbox::after{ content: none !important }
 #navigator-toolbox{ border-bottom: none !important }
diff --git a/chrome/hide_urlbar_first_row.css b/chrome/hide_urlbar_first_row.css
index 21aae65..9c89c28 100644
--- a/chrome/hide_urlbar_first_row.css
+++ b/chrome/hide_urlbar_first_row.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/hide_urlbar_first_row.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hides the first item in the urlbar dropdown if it is a "search with" or "visit" item. Does not hide "search in private window item", probably */
 
 #urlbar[usertyping] .urlbarView-row:not([type]):first-child,
diff --git a/chrome/linux_gtk_window_control_patch.css b/chrome/linux_gtk_window_control_patch.css
index a74569a..419ce52 100644
--- a/chrome/linux_gtk_window_control_patch.css
+++ b/chrome/linux_gtk_window_control_patch.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/linux_gtk_window_control_patch.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Overrides the appearance of the window controls with something that more closely matches "normal" buttons*/
 /* More importantly, this makes window controls to respect layout rules the other styles rely on */
 
diff --git a/chrome/menubar_in_toolbar.css b/chrome/menubar_in_toolbar.css
index 80818e1..762188b 100644
--- a/chrome/menubar_in_toolbar.css
+++ b/chrome/menubar_in_toolbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/menubar_in_toolbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes menubar to appear in tabs toolbar pushing tabs to the side */
 #toolbar-menubar:not([inactive]) ~ #TabsToolbar{
 	margin-left:300px !important;
diff --git a/chrome/menubar_in_toolbar_oneliner_compatible.css b/chrome/menubar_in_toolbar_oneliner_compatible.css
index cfab00e..f335a54 100644
--- a/chrome/menubar_in_toolbar_oneliner_compatible.css
+++ b/chrome/menubar_in_toolbar_oneliner_compatible.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/menubar_in_toolbar_oneliner_compatible.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Use with navbar_tabs_oneliner.css */
 
 #toolbar-menubar:not([inactive]) ~ #TabsToolbar{
diff --git a/chrome/minimal_in-UI_scrollbars.css b/chrome/minimal_in-UI_scrollbars.css
index 5d90ad4..25ba5e2 100644
--- a/chrome/minimal_in-UI_scrollbars.css
+++ b/chrome/minimal_in-UI_scrollbars.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/minimal_in-UI_scrollbars.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Changes various in-UI scrollabars to be slim and more subtle */
 
 .panel-subview-body,
diff --git a/chrome/minimal_text_fields.css b/chrome/minimal_text_fields.css
index abaad6b..263c18f 100644
--- a/chrome/minimal_text_fields.css
+++ b/chrome/minimal_text_fields.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/minimal_text_fields.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 :root:not([customizing]){
   --lwt-toolbar-field-background-color: transparent !important;
   --lwt-toolbar-field-border-color: transparent !important;
diff --git a/chrome/minimal_toolbarbuttons.css b/chrome/minimal_toolbarbuttons.css
index 2656fab..9fdc1ac 100644
--- a/chrome/minimal_toolbarbuttons.css
+++ b/chrome/minimal_toolbarbuttons.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/minimal_toolbarbuttons.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Create a circular placeholder for toolbarbutton and downscale to hide them */
 
 /* Create a placeholder for buttons */
diff --git a/chrome/minimal_toolbarbuttons_v2.css b/chrome/minimal_toolbarbuttons_v2.css
index c2cfebd..b3f42a1 100644
--- a/chrome/minimal_toolbarbuttons_v2.css
+++ b/chrome/minimal_toolbarbuttons_v2.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/minimal_toolbarbuttons_v2.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Create a circular placeholder for toolbarbutton and downscale to hide them */
 
 /*
diff --git a/chrome/minimal_toolbarbuttons_v3.css b/chrome/minimal_toolbarbuttons_v3.css
index b5171a7..1083392 100644
--- a/chrome/minimal_toolbarbuttons_v3.css
+++ b/chrome/minimal_toolbarbuttons_v3.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/minimal_toolbarbuttons_v3.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Create a circular placeholder for toolbarbutton and downscale to hide them */
 
 /* Create a placeholder for buttons */
diff --git a/chrome/more_visible_tab_icon.css b/chrome/more_visible_tab_icon.css
index 9de2a57..2c384db 100644
--- a/chrome/more_visible_tab_icon.css
+++ b/chrome/more_visible_tab_icon.css
@@ -1,2 +1,5 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/more_visible_tab_icon.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes black favicons more visible on dark background, contrast will be lowered though */
 .tab-icon-image{ filter: invert(40%) contrast(250%) saturate(250%) !important; }
\ No newline at end of file
diff --git a/chrome/multi-row_bookmarks.css b/chrome/multi-row_bookmarks.css
index 938e4ae..af0df5f 100755
--- a/chrome/multi-row_bookmarks.css
+++ b/chrome/multi-row_bookmarks.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_bookmarks.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes bookmarks toolbar span multiple rows */
 
 #PersonalToolbar{
diff --git a/chrome/multi-row_oneliner_combo_patch.css b/chrome/multi-row_oneliner_combo_patch.css
index 7b146fe..f2bf41c 100644
--- a/chrome/multi-row_oneliner_combo_patch.css
+++ b/chrome/multi-row_oneliner_combo_patch.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_oneliner_combo_patch.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /*
 This a compatibility patch to combine multi-row_tabs.css and navbar_tabs_responsive_oneliner.css
 
diff --git a/chrome/multi-row_tabs.css b/chrome/multi-row_tabs.css
index ad8ee3e..8abeed2 100644
--- a/chrome/multi-row_tabs.css
+++ b/chrome/multi-row_tabs.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs to appear on multiple lines */
 /* Tab reordering will not work and can't be made to work */
 /* You can use multi-row_tabs_window_control_patch.css to move window controls to nav-bar*/
diff --git a/chrome/multi-row_tabs_Fx66+.css b/chrome/multi-row_tabs_Fx66+.css
index 9f81de4..ca52087 100644
--- a/chrome/multi-row_tabs_Fx66+.css
+++ b/chrome/multi-row_tabs_Fx66+.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs_Fx66+.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* For Firefox 66+ */
 /* Use multi-row_tabs_window_control_patch.css to hide window controls if you wish */
 /* This file is obsolete, you can use multi-row_tabs.css which should work on Firefox pre- and post-66  */
diff --git a/chrome/multi-row_tabs_below_content.css b/chrome/multi-row_tabs_below_content.css
index ae90cfb..d06442d 100644
--- a/chrome/multi-row_tabs_below_content.css
+++ b/chrome/multi-row_tabs_below_content.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs_below_content.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs to appear on multiple lines below the web content */
 /* Tab reordering will not work and can't be made to work */
 
diff --git a/chrome/multi-row_tabs_below_content_legacy.css b/chrome/multi-row_tabs_below_content_legacy.css
index 684851d..22b1895 100644
--- a/chrome/multi-row_tabs_below_content_legacy.css
+++ b/chrome/multi-row_tabs_below_content_legacy.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs_below_content_legacy.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs to appear on multiple lines below the web content */
 /* Tab reordering will not work and can't be made to work */
 
diff --git a/chrome/multi-row_tabs_legacy.css b/chrome/multi-row_tabs_legacy.css
index 759b5e5..329e745 100644
--- a/chrome/multi-row_tabs_legacy.css
+++ b/chrome/multi-row_tabs_legacy.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs_legacy.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes tabs to appear on multiple lines */
 /* Tab reordering will not work and can't be made to work */
 /* You can use multi-row_tabs_window_control_patch.css to move window controls to nav-bar*/
diff --git a/chrome/multi-row_tabs_window_control_patch.css b/chrome/multi-row_tabs_window_control_patch.css
index a3c92e3..9fe1f35 100644
--- a/chrome/multi-row_tabs_window_control_patch.css
+++ b/chrome/multi-row_tabs_window_control_patch.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/multi-row_tabs_window_control_patch.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* This is a supporting style for multi-row_tabs.css*/
 
 /* !! Use customize mode to make menubar permanently enabled !! */
diff --git a/chrome/navbar_below_content.css b/chrome/navbar_below_content.css
index 239414a..85a2252 100644
--- a/chrome/navbar_below_content.css
+++ b/chrome/navbar_below_content.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navbar_below_content.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Moves the main toolbar (#nav-bar) to the bottom of the window */
 
 /* REQUIRES browser.urlbar.update1 to be true, otherwise urlbar won't show any results */
diff --git a/chrome/navbar_tabs_oneliner.css b/chrome/navbar_tabs_oneliner.css
index 13844da..ef47d72 100644
--- a/chrome/navbar_tabs_oneliner.css
+++ b/chrome/navbar_tabs_oneliner.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navbar_tabs_oneliner.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Make tabs and navbar appear side-by-side tabs on right */
 
 /* Use page_action_buttons_on_hover.css to hide page-action-buttons to save more space for the address */
diff --git a/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css b/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
index 5d6f653..a4090b5 100644
--- a/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
+++ b/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navbar_tabs_oneliner_menu_buttons_on_right.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Variation of oneliner where menubutton and overflow button are next to window controls (if window controls are on right side) */
 
 /* IMPORTANT */
diff --git a/chrome/navbar_tabs_oneliner_tabs_on_left.css b/chrome/navbar_tabs_oneliner_tabs_on_left.css
index 75d6b3f..844ef10 100644
--- a/chrome/navbar_tabs_oneliner_tabs_on_left.css
+++ b/chrome/navbar_tabs_oneliner_tabs_on_left.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navbar_tabs_oneliner_tabs_on_left.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /*Make tabs and navbar appear side-by-side tabs on left */
 
 /* IMPORTANT */
diff --git a/chrome/navbar_tabs_responsive_oneliner.css b/chrome/navbar_tabs_responsive_oneliner.css
index 3d3ecf6..3db0c3d 100644
--- a/chrome/navbar_tabs_responsive_oneliner.css
+++ b/chrome/navbar_tabs_responsive_oneliner.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navbar_tabs_responsive_oneliner.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Make tabs and navbar appear side-by-side tabs on right */
 
 /* Use page_action_buttons_on_hover.css to hide page-action-buttons to save more space for the address */
diff --git a/chrome/navigation_buttons_inside_urlbar.css b/chrome/navigation_buttons_inside_urlbar.css
index b7987b8..35bd515 100644
--- a/chrome/navigation_buttons_inside_urlbar.css
+++ b/chrome/navigation_buttons_inside_urlbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/navigation_buttons_inside_urlbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Requires you to edit toolbar layout. Put buttons directly to the right of the urlbar in this order: <urlbar><reload-button><back-button><forward-button>*/
 /* Actually, the order of reload and back-buttons doesn't matter */
 
diff --git a/chrome/numbered_tabs.css b/chrome/numbered_tabs.css
index 08d637f..0710e7d 100644
--- a/chrome/numbered_tabs.css
+++ b/chrome/numbered_tabs.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/numbered_tabs.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show a number before tab text*/
 
 .tabbrowser-tab:first-child{ counter-reset: nth-tab 0 } /* Change to -1 for 0-indexing */
diff --git a/chrome/overlay_menubar.css b/chrome/overlay_menubar.css
index d3f797f..46e7fda 100644
--- a/chrome/overlay_menubar.css
+++ b/chrome/overlay_menubar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/overlay_menubar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes menubar appear as overlay in the top left corner */
 
 #toolbar-menubar{
diff --git a/chrome/overlay_scrollbars.as.css b/chrome/overlay_scrollbars.as.css
index 3282588..5c81e23 100644
--- a/chrome/overlay_scrollbars.as.css
+++ b/chrome/overlay_scrollbars.as.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/overlay_scrollbars.as.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* This is supposed to be loaded as a agent sheet via autoconfig */
 /* It will not work otherwise and might do unexpected things */
 
diff --git a/chrome/page_action_buttons_on_hover.css b/chrome/page_action_buttons_on_hover.css
index 36fb568..6d87a20 100644
--- a/chrome/page_action_buttons_on_hover.css
+++ b/chrome/page_action_buttons_on_hover.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/page_action_buttons_on_hover.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Page action-buttons "slide in" when cursor is on top of them and don't reserve space when not used */
 
 #page-action-buttons > *[class^=urlbar-icon]{
diff --git a/chrome/pinned_tabs_on_right.css b/chrome/pinned_tabs_on_right.css
index e8a1491..a0fa479 100644
--- a/chrome/pinned_tabs_on_right.css
+++ b/chrome/pinned_tabs_on_right.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/pinned_tabs_on_right.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show pinned tabs on right side of normal tabs */
 /* This is stupid hack that barely works and might lead to some very unexpected behavior */
 
diff --git a/chrome/scrollable_menupopups.css b/chrome/scrollable_menupopups.css
index 7d628f7..c54d71c 100644
--- a/chrome/scrollable_menupopups.css
+++ b/chrome/scrollable_menupopups.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/scrollable_menupopups.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 .menupopup-arrowscrollbox{
   --uc-scrollbox-overflow: auto;
   --uc-scrollbutton-display-model: none;
diff --git a/chrome/scrollable_urlbar_popup.css b/chrome/scrollable_urlbar_popup.css
index db7bdbe..da8a887 100644
--- a/chrome/scrollable_urlbar_popup.css
+++ b/chrome/scrollable_urlbar_popup.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/scrollable_urlbar_popup.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes the urlbar dropdown scrollable */
 /* Modify the pref browser.urlbar.maxRichResults to set how many results should be shown */
 
diff --git a/chrome/show_navbar_on_focus_only.css b/chrome/show_navbar_on_focus_only.css
index c4a1a8a..ed10019 100644
--- a/chrome/show_navbar_on_focus_only.css
+++ b/chrome/show_navbar_on_focus_only.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/show_navbar_on_focus_only.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Hides #nav-bar and overlays it on top of tabs when urlbar is focused  */
 /* overlay_menubar.css can be used for better handling of menubar when triggered with Alt-key */
 /* This style totally breaks bookmarks toolbar but can be used with autohide_bookmarks_toolbar.css */
diff --git a/chrome/show_window_title_in_menubar.css b/chrome/show_window_title_in_menubar.css
index 7bda4b0..57e1f06 100644
--- a/chrome/show_window_title_in_menubar.css
+++ b/chrome/show_window_title_in_menubar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/show_window_title_in_menubar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Shows window title in menubar */
 /* Enable menubar for correct behavior */
 @-moz-document url(chrome://browser/content/browser.xhtml){
diff --git a/chrome/status_inside_urlbar.css b/chrome/status_inside_urlbar.css
index 18be053..e26b0e4 100644
--- a/chrome/status_inside_urlbar.css
+++ b/chrome/status_inside_urlbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/status_inside_urlbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* STATUSPANEL INSIDE URLBAR */
 
 /**************
diff --git a/chrome/tab_close_button_always_on_hover.css b/chrome/tab_close_button_always_on_hover.css
index 49a0d48..35837f9 100644
--- a/chrome/tab_close_button_always_on_hover.css
+++ b/chrome/tab_close_button_always_on_hover.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tab_close_button_always_on_hover.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Always show tab close button on hover and never otherwise */
 .tabbrowser-tab .tab-close-button{
   display:none;
diff --git a/chrome/tab_loading_progress_throbber.css b/chrome/tab_loading_progress_throbber.css
index 771293c..903d54b 100644
--- a/chrome/tab_loading_progress_throbber.css
+++ b/chrome/tab_loading_progress_throbber.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tab_loading_progress_throbber.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Create a circular throbber inside tabs replacing the default one  */
 /* Doesn't really measure loading progress but sort of looks like it */
 
diff --git a/chrome/tabs_animated_gradient_border.css b/chrome/tabs_animated_gradient_border.css
index 00932bd..bc68077 100644
--- a/chrome/tabs_animated_gradient_border.css
+++ b/chrome/tabs_animated_gradient_border.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tabs_animated_gradient_border.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Adds animated gradient border below tabs and around selected tab */
 /* Might or might not work, no promises */
 
diff --git a/chrome/tabs_below_content.css b/chrome/tabs_below_content.css
index ee2b71c..178e87c 100644
--- a/chrome/tabs_below_content.css
+++ b/chrome/tabs_below_content.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tabs_below_content.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 
 /* IMPORTANT */
 /*
diff --git a/chrome/tabs_fill_available_width.css b/chrome/tabs_fill_available_width.css
index 6aef0f4..b8890dc 100644
--- a/chrome/tabs_fill_available_width.css
+++ b/chrome/tabs_fill_available_width.css
@@ -1,2 +1,5 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/tabs_fill_available_width.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Why 100vw? Tab closing requires width animation to end and "none" can't be animated */
 .tabbrowser-tab[fadein]{ max-width: 100vw !important }
\ No newline at end of file
diff --git a/chrome/textual_context_navigation.css b/chrome/textual_context_navigation.css
index fbfe93b..a72bbae 100644
--- a/chrome/textual_context_navigation.css
+++ b/chrome/textual_context_navigation.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/textual_context_navigation.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes constext navigation buttons appears as normal textual menuitems */
 
 #context-navigation{ -moz-box-orient: vertical }
diff --git a/chrome/theme_additional_windows.css b/chrome/theme_additional_windows.css
index 5ba9f4d..982200f 100644
--- a/chrome/theme_additional_windows.css
+++ b/chrome/theme_additional_windows.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/theme_additional_windows.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Color editing should generally be done in theme_color_variables.css */
 
 /*!!! IMPORT theme_color_variables.css !!!*/
diff --git a/chrome/theme_color_variables.css b/chrome/theme_color_variables.css
index 0a60c5c..ef41039 100644
--- a/chrome/theme_color_variables.css
+++ b/chrome/theme_color_variables.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/theme_color_variables.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Color controls for theme_***.css files */
 :root{
   --uc-dark-bkgnd-color: rgb(12,16,32);
diff --git a/chrome/theme_popups_and_menus.css b/chrome/theme_popups_and_menus.css
index 2b5c67e..b73d073 100644
--- a/chrome/theme_popups_and_menus.css
+++ b/chrome/theme_popups_and_menus.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/theme_popups_and_menus.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes popups, menus and context menus dark */
 /* Color editing should generally be done in theme_color_variables.css */
 
diff --git a/chrome/theme_sidebar.css b/chrome/theme_sidebar.css
index 7b74c18..951461d 100644
--- a/chrome/theme_sidebar.css
+++ b/chrome/theme_sidebar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/theme_sidebar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Colors for bookmarks and history sidebars */
 /* Color editing should generally be done in theme_color_variables.css */
 
diff --git a/chrome/theme_toolbars.css b/chrome/theme_toolbars.css
index 9b707e9..bdd545f 100644
--- a/chrome/theme_toolbars.css
+++ b/chrome/theme_toolbars.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/theme_toolbars.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* General toolbar coloring - buttons, text, findbar etc. */
 /* Color editing should generally be done in theme_color_variables.css */
 
diff --git a/chrome/toggle_bookmarksbar_with_alt.css b/chrome/toggle_bookmarksbar_with_alt.css
index 833850d..bfd3d38 100644
--- a/chrome/toggle_bookmarksbar_with_alt.css
+++ b/chrome/toggle_bookmarksbar_with_alt.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/toggle_bookmarksbar_with_alt.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Pretty much requires either menubar_in-toolbar or the oneliner compatible one */
 /* Otherwise the changing vertical position causes bookmarks to be unclickable */
 /* NOT COMPATIBLE with Fx65+ */
diff --git a/chrome/toggle_tabs_toolbar_with_alt.css b/chrome/toggle_tabs_toolbar_with_alt.css
index f625c22..3dc37c7 100644
--- a/chrome/toggle_tabs_toolbar_with_alt.css
+++ b/chrome/toggle_tabs_toolbar_with_alt.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/toggle_tabs_toolbar_with_alt.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show tabs toolbar with Alt-key. Menubar must be disabled for this to work */
 
 #titlebar { -moz-appearance: none !important }
diff --git a/chrome/toolbarbuttons_icon+label.css b/chrome/toolbarbuttons_icon+label.css
index e4675af..4807635 100644
--- a/chrome/toolbarbuttons_icon+label.css
+++ b/chrome/toolbarbuttons_icon+label.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/toolbarbuttons_icon+label.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Shows both icon and label for toolbarbuttons */
 
 toolbar .toolbarbutton-1[label]{ -moz-box-orient: vertical }
diff --git a/chrome/toolbars_below_content.css b/chrome/toolbars_below_content.css
index 3d0a593..b903bde 100644
--- a/chrome/toolbars_below_content.css
+++ b/chrome/toolbars_below_content.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/toolbars_below_content.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Moves tabs toolbar, bookmarks toolbar and main toolbar to the bottom of the window, and makes tabs be the bottom-most toolbar */
 
 /* Menubar will stay on top with two options to select it's behavior - see below */
diff --git a/chrome/urlbar_and_popup_equal_width.css b/chrome/urlbar_and_popup_equal_width.css
index 81ed5f4..5105a46 100644
--- a/chrome/urlbar_and_popup_equal_width.css
+++ b/chrome/urlbar_and_popup_equal_width.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/urlbar_and_popup_equal_width.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* DEPRECATED AS OF FIREFOX 75 */
 /* Constrains urlbar popup to urlbar width */
 /* Firefox 70+ */
diff --git a/chrome/urlbar_centered_text.css b/chrome/urlbar_centered_text.css
index 22275ca..a375bb6 100644
--- a/chrome/urlbar_centered_text.css
+++ b/chrome/urlbar_centered_text.css
@@ -1,2 +1,5 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/urlbar_centered_text.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 #urlbar:not([focused]) #urlbar-input, /* ID for Firefox 70 */
 #urlbar:not([focused]) .urlbar-input{ text-align: center !important; }
diff --git a/chrome/urlbar_full_width.css b/chrome/urlbar_full_width.css
index f13a2e6..b0e5b87 100644
--- a/chrome/urlbar_full_width.css
+++ b/chrome/urlbar_full_width.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/urlbar_full_width.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Make urlbar popup appear full size like it did before urlbar re-design */
 
 #urlbar-container,
diff --git a/chrome/urlbar_results_in_two_rows.css b/chrome/urlbar_results_in_two_rows.css
index 4156f0d..ffad22e 100644
--- a/chrome/urlbar_results_in_two_rows.css
+++ b/chrome/urlbar_results_in_two_rows.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/urlbar_results_in_two_rows.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show urlbar rersults on two lines */
 /* Firefox 71+ with megabar only */
 
diff --git a/chrome/urlbar_visible_on_active_tab_click.css b/chrome/urlbar_visible_on_active_tab_click.css
index 980eff2..aa5059a 100644
--- a/chrome/urlbar_visible_on_active_tab_click.css
+++ b/chrome/urlbar_visible_on_active_tab_click.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/urlbar_visible_on_active_tab_click.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* NOTE This only works if tabs are on top */
 .urlbar-input-box::before{
   content:"";
diff --git a/chrome/vertical_context_navigation.css b/chrome/vertical_context_navigation.css
index ac31423..3c35b0e 100644
--- a/chrome/vertical_context_navigation.css
+++ b/chrome/vertical_context_navigation.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/vertical_context_navigation.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* This very likely only works properly on Windows10 */
 /* If this won't work correctly can try the v2 file */
 
diff --git a/chrome/vertical_context_navigation_v2.css b/chrome/vertical_context_navigation_v2.css
index 235daad..6c1c051 100644
--- a/chrome/vertical_context_navigation_v2.css
+++ b/chrome/vertical_context_navigation_v2.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/vertical_context_navigation_v2.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* This very likely only works properly on Windows10 */
 /* This v2 uses transform instead of grid display which might or might not work better */
 
diff --git a/chrome/vertical_menubar.css b/chrome/vertical_menubar.css
index 2397fb1..ee77e9d 100644
--- a/chrome/vertical_menubar.css
+++ b/chrome/vertical_menubar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/vertical_menubar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Makes menubar appear vertically on the right side of the window */
 
 /* The first element in the menubar is used to "toggle" the file-menu & friends */
diff --git a/chrome/window_control_placeholder_support.css b/chrome/window_control_placeholder_support.css
index 7e5eb1c..738bfdb 100644
--- a/chrome/window_control_placeholder_support.css
+++ b/chrome/window_control_placeholder_support.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/window_control_placeholder_support.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Creates placeholders for window controls */
 /* This is a supporting file used by other stylesheets */
 
diff --git a/content/about_page_scrollbars.css b/content/about_page_scrollbars.css
index fedc6f5..b129e95 100644
--- a/content/about_page_scrollbars.css
+++ b/content/about_page_scrollbars.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/about_page_scrollbars.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 @-moz-document url-prefix("about:"){
   window,
   page,
diff --git a/content/addon_manage_buttons_without_popup.css b/content/addon_manage_buttons_without_popup.css
index 06b56c6..7174d30 100644
--- a/content/addon_manage_buttons_without_popup.css
+++ b/content/addon_manage_buttons_without_popup.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/addon_manage_buttons_without_popup.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show addon management buttons without opening popup */
 
 /* Show addon management buttons without opening popup */
diff --git a/content/compact_addons_manager.css b/content/compact_addons_manager.css
index cb8b1f2..c554f06 100644
--- a/content/compact_addons_manager.css
+++ b/content/compact_addons_manager.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/compact_addons_manager.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Make the installed addons list more compact, title + only */
 /* Installed extensions list will be 3-6 columns wide, themes will be 2 columns wide. No effect on recommendations but those can be styled by adding two_column_html_addons.css */
 /* Compatible with addon_manage_buttons_without_popup.css */
diff --git a/content/css_scrollbar_width_color.css b/content/css_scrollbar_width_color.css
index c11ea66..ea78868 100644
--- a/content/css_scrollbar_width_color.css
+++ b/content/css_scrollbar_width_color.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/css_scrollbar_width_color.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Scrollbar colors and width - applied globally */
 @namespace url("http://www.w3.org/1999/xhtml");
 :root{ scrollbar-color: rgb(210,210,210) rgb(42,42,46) }
diff --git a/content/dark_settings_pages.css b/content/dark_settings_pages.css
index 1b68025..169236b 100644
--- a/content/dark_settings_pages.css
+++ b/content/dark_settings_pages.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/dark_settings_pages.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Recolors addons manager, preferences page and new about:config */
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
diff --git a/content/high_contrast_extended_style.css b/content/high_contrast_extended_style.css
index 843c33c..23b530b 100644
--- a/content/high_contrast_extended_style.css
+++ b/content/high_contrast_extended_style.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/high_contrast_extended_style.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Intended to use with Firefox high contrast mode - forcing pages to use selected colors */
 /* This applies few additional colors for selected page elements trying to "fix" common layout patterns without being specific to any page */
 @-moz-document url-prefix("http"),url-prefix("about:"){
diff --git a/content/limit_css_data_leak.css b/content/limit_css_data_leak.css
index b0055a3..bda18d0 100644
--- a/content/limit_css_data_leak.css
+++ b/content/limit_css_data_leak.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/limit_css_data_leak.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Limit CSS data leak, POTENTIALLY BREAKS SOME SITES */
 @namespace html url("http://www.w3.org/1999/xhtml");
 
diff --git a/content/multi_column_addons.css b/content/multi_column_addons.css
index 7c85152..2dd739d 100644
--- a/content/multi_column_addons.css
+++ b/content/multi_column_addons.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/multi_column_addons.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Multi-column addons for html addons manager available in Firefox 68 */
 /* You can use compact_addons_manager.css with this to make things even more, well, compact  */
 /* Compatible with addon_manage_buttons_without_popup.css */
diff --git a/content/newtab_background_color.css b/content/newtab_background_color.css
index 7ebb2f1..54e65d2 100644
--- a/content/newtab_background_color.css
+++ b/content/newtab_background_color.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/newtab_background_color.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 @namespace url("http://www.w3.org/1999/xhtml");
 
 @-moz-document url("about:home"),url("about:blank"),url("about:newtab"),url("about:privatebrowsing"){
diff --git a/content/transparent_reader_toolbar.css b/content/transparent_reader_toolbar.css
index 444aa55..9fb5a3c 100644
--- a/content/transparent_reader_toolbar.css
+++ b/content/transparent_reader_toolbar.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/transparent_reader_toolbar.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Toolbar is invisible until hovered */
 
 @namespace html url("http://www.w3.org/1999/xhtml");
diff --git a/content/two_column_addons.css b/content/two_column_addons.css
index b8f6bbd..d168022 100644
--- a/content/two_column_addons.css
+++ b/content/two_column_addons.css
@@ -1,3 +1,6 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/content/two_column_addons.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
 /* Show addons in two columns */
 
 /* This doesn't work for new html addons page available in Firefox 68 - use two_column_html_addons.css instead */