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-# userChrome
+# userChrome.css
 
-The userChrome.css I use in Firefox
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+Thanks to the userChrome.css, you can customize Firefox's chrome! And even though [this is considered _legacy_](https://www.userchrome.org/how-create-userchrome-css.html#aboutconfig), it's still an amazing way to improve the UI of Firefox.
+
+You can read more about userChrome.css at [www.userChrome.org](https://www.userchrome.org/).
+
+## Changes
+This userChrome.css changes the following:
+- Spacing of context menus
+- Height of tabs
+- Margins of the bookmark list
+- Margins of identity boxes
+
+## Installation
+Follow this guide: [How to Create a userChrome.css File](https://www.userchrome.org/how-create-userchrome-css.html).
+
+## Thanks
+Thank you to [userChrome.org](https://www.userchrome.org/) for their resources and guides!
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