This theme is not tested on big screen resolutions. How to make Firefox toolbar thinner: • Compact Density 1. Type about:config in the address bar and load it. 2. Ignore the warning and enter the Eldritch Realm. 3. Search browser.compactmode.show and change the value to "true". 4. Right-click on the empty space of the toolbar and select "Customize Toolbar...". 5. Locate the "Density" and choose "Compact (not supported)". • Make it even smaller 1. Load about:config in the address bar. 2. Search layout.css.devPixelsPerPx and change its value to your liking. My setting is "0.94". *Grim Dawn is a game by Crate Entertainment