diff --git a/chrome/page_action_buttons_on_urlbar_hover.css b/chrome/page_action_buttons_on_urlbar_hover.css
new file mode 100644
index 0000000..b8747f8
--- /dev/null
+++ b/chrome/page_action_buttons_on_urlbar_hover.css
@@ -0,0 +1,15 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/page_action_buttons_on_urlbar_hover.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
+.urlbar-page-action{
+  margin-inline-end: calc(-16px - 2 * var(--urlbar-icon-padding) );
+  opacity: 0;
+  transition: margin-inline-end 100ms linear, opacity 200ms linear;
+}
+
+#urlbar:hover .urlbar-page-action,
+.urlbar-page-action[open],
+.urlbar-page-action[open] ~ .urlbar-page-action{
+  opacity: 1;
+  margin-inline-end: 0px !important;
+}
\ No newline at end of file
diff --git a/html_resources/tagmap.json b/html_resources/tagmap.json
index ec4fb15..4eb6e16 100644
--- a/html_resources/tagmap.json
+++ b/html_resources/tagmap.json
@@ -144,5 +144,6 @@
 "vertical_popup_menubar.css":["menubar","menu","toolbars","popup"],
 "window_control_fallback_for_custom_windows_theme.css":["window-control","buttons","colors","patch"],
 "window_control_placeholder_support.css":["window-control","patch"],
-"urlbar_info_icons_on_hover.css":["autohide","icon","urlbar","minimal"]
+"urlbar_info_icons_on_hover.css":["autohide","icon","urlbar","minimal"],
+"page_action_buttons_on_urlbar_hover.css":["urlbar","icon","minimal","autohide"]
 }
diff --git a/tags.csv b/tags.csv
index ba2505a..249e63a 100644
--- a/tags.csv
+++ b/tags.csv
@@ -144,3 +144,4 @@ vertical_popup_menubar.css,menubar,menu,toolbars,popup
 window_control_fallback_for_custom_windows_theme.css,window-control,buttons,colors,patch
 window_control_placeholder_support.css,window-control,patch
 urlbar_info_icons_on_hover.css,autohide,icon,urlbar,minimal
+page_action_buttons_on_urlbar_hover.css,urlbar,icon,minimal,autohide