Fireside is a stylesheet for Firefox that provides you with a clean UI. Less clutter, more vertical space.

• Vertical tabs (using Tab Center Reborn or Sidebery Firefox's native Vertical Tabs support)
• Zero UI elements taking vertical space
• Auto-collapsing sidebar and address bar preserving horizontal space and removing distraction
• Keyboard and mouse support

• Firefox 121 - 141b3, Linux (Wayland)

Contribute by submitting a PR for successful tests on other platforms or open an issue if unsuccessful.

1. Go to about:config and set toolkit.legacyUserProfileCustomizations.stylesheets to true
2. Enable Vertical Tabs and choose "Expand sidebar on hover" in the "Customize sidebar" panel
3. In your Firefox Profile Directory (see about:support if you're not sure where it is) create a chrome directory and place the userChrome.css file inside
4. Restart Firefox

• Open the sidebar either using the mouse or by focusing on the location bar with Ctrl+L
• Back, Forward, Refresh, and other useless buttons were removed. Use touch gestures (two fingers slide), keyboard (Alt+Left, Alt+Right, Ctrl+R), or right click instead