firefox-csshacks/chrome/compact_extensions_panel.css

/* 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: 0px !important;
  margin-inline-end: 0 !important;
}
.unified-extensions-item-action-button{
  padding-block: 6px !important;
}
.unified-extensions-item-menu-button.subviewbutton > .toolbarbutton-icon{
  padding: 4px !important;
}
.unified-extensions-item-message-deck{
  display: none
}
#unified-extensions-view > vbox > vbox > .unified-extensions-item{
  padding-block: 0px !important;
}
#unified-extensions-panel .unified-extensions-item{
  margin-block: 0 !important;
}