PUBLIC MARKS from decembre with tag userContent.css

'about:config' tweaks (To revert changes right-click entry and select 'reset'): - Tab audio icon browser.tabs.showAudioPlayingIcon - Insert related tab after current tab (suggestion: enable / set to 'true') browser.tabs.insertRelatedAfterCurrent - Titlebar browser.tabs.drawInTitlebar - Searchbar: open search results in new tab browser.search.openintab - Reader mode reader.parse-on-load.enabled - Geolocation (suggestion: disable / set to 'false') geo.enabled - Pocket (suggestion: disable / set to 'false') extensions.pocket.enabled - Anti fingerprinting (Caution: browser might behave in unforseen ways!) privacy.resistFingerprinting read: Fingerprinting info at Mozilla Wiki tweaks ***** Suggested ui tweaks ***** - Toolbar modes (suggestion: compact mode) Customize mode > Density > Compact / Normal / Touch - Titlebar modes (suggestion: Firefox titlebar ['application/hamburger button in titlebar' only works in Firefox titlebar]) Customize mode > Title Bar > uncheck checkbox Drag space above tabs toolbar (suggestion: disable drag space ['application/hamburger button in titlebar' works best without drag space]) Customize mode > Drag Space > uncheck checkbox Bookmarks menu button on bookmarks toolbar Customize mode > Toolbars > Bookmarks Toolbar Customize mode > move 'bookmarks menu' button to bookmark toolbars end Downloads button always visible Customize mode > downloads button > click on button and uncheck 'Auto-hide' Searchbar (suggestion: placed after location bar) Customize mode > Search(bar) > move to navigation toolbar Flexible spaces (suggestion: remove spaces after and before location bar) Customize mode > grab and drag flexible space into palette

The only way to modify UI is adding custom CSS code to userChrome.css and userContent.css files inside browsers profile folder. Keep in mind CSS code can not create entirely new items, buttons or toolbars. It only can modify already present ui items. 1. Find your profile folder ('profile names are different for everyone'). All OS: about:support > Profile Folder > Open Folder 2. User styles belong into "chrome" subolder. Create it, if there is none yet. PROFILENAME chrome 3. Copy userChrome.css, userContent.css and subfolders into chrome subfolder. How to use custom user styles? The userChrome.css and userContent.css files works like an optionsconfigurations file. All main "features" can be enabled and disabled there.