FF 159: Wie userContent.css aufräumen und alle Zeilenabstände kompakter machen?

:root{ 
   /* Farbe 1: Thumb - Farbe 2: Hintergrund*/
  scrollbar-color: grey transparent;
     }
 
:root:active { 
   /* Farbe 1: Thumb - Farbe 2: Hintergrund*/
  scrollbar-color: navy transparent; 
     }

#isNotDefaultLabel::before {
  display: none;
}

/* Firefox Quantum userChrome.css tweaks *//* Github: https://github.com/aris-t2/customcssforfx */

@-moz-document url-prefix(chrome://mozapps/content/extensions/extensions.xul), url-prefix(about:addons),url-prefix(chrome://mozapps/content/extensions/aboutaddons.html) {

html {
      --addon-page-options-width: 380px;
    }

/* Länge und Höhe aller Container */
addon-card:not([expanded="true"]) .addon.card {
      width: 700px !important;
      height: 32px !important;
   }

/* Abstand zwischen den Containern */
    addon-card .addon {
      margin: 0px !important;
    }

.header-name {
    font-size: 13px !important;
    margin-top: 0px !important;
    }

.addon-name-link[title]{
      font-size: 13px !important;
    }

.addon.card .addon-description {
      font-size: 11px !important;
    }

/* Versionsnummer wird angezeigt */
    div:not([current-view="updates"]) .addon-name-link[title]:not([data-l10n-args])::after,
    div:not([current-view="updates"]) .addon-name[title]:not([data-l10n-args])::after {
      display: block !important;
      content: attr(title) !important;
      margin-top: -22px !important;
    }

panel-item[action="check-for-updates"][data-l10n-id="addon-updates-check-for-updates"] {
  --in-content-button-background: none !important;
  }

#category-availableUpdates[disabled] {
	  overflow: visible !important;
	  height: 48px !important;
	  min-height: 48px !important;
	  opacity: 1 !important;
	  transition-property: unset !important;
	  transition-duration: unset !important;
	  -moz-user-input: unset !important;
	}
	
#category-availableUpdates[hidden] {
	  opacity: 1 !important;
	  min-height: 48px !important;
	  height: 48px !important;
	  display: inherit !important;
	  transition: unset !important;
	}

}