create compact_extensions_panel.css

chrome/compact_extensions_panel.css

@@ -0,0 +1,23 @@
+/* Source file https://github.com/MrOtherGuy/firefox-csshacks/tree/master/chrome/compact_extensions_panel.css made available under Mozilla Public License v. 2.0
+See the above repository for updates as well as full license text. */
+
+/* This style hides some information from the extensions-button panel, but makes it appear more compact. Might be useful for someone having lot of extensions */
+
+#unified-extensions-view{
+  --uei-icon-size: 16px;
+}
+.unified-extensions-item-menu-button.subviewbutton{
+  padding: 2px !important;
+}
+.unified-extensions-item-message-deck{
+  display: none
+}
+#unified-extensions-view > vbox > vbox > .unified-extensions-item{
+  padding-block: 0px !important;
+}
+.unified-extensions-item-menu-button{
+  margin-inline-end: 0 !important;
+}
+.unified-extensions-list .unified-extensions-item-menu-button{
+  margin-inline-end: 8px !important;  
+}

html_resources/tagmap.json

@@ -158,5 +158,6 @@
 "window_control_force_linux_system_style.css":["window-control","buttons","icon"],
 "window_control_placeholder_support.css":["window-control","patch"],
 "vertical_urlbar_one-off_items.css":["urlbar"],
-"overlay_sidebar_header.css":["sidebar","hack"]
+"overlay_sidebar_header.css":["sidebar","hack"],
+"compact_extensions_panel.css":["popup","menu","minimal"]
 }

tags.csv

@@ -158,3 +158,4 @@ window_control_force_linux_system_style.css,window-control,buttons,icon
 window_control_placeholder_support.css,window-control,patch
 vertical_urlbar_one-off_items.css,urlbar
 overlay_sidebar_header.css,sidebar,hack
+compact_extensions_panel.css,popup,menu,minimal