1. Technology

How To Write a User Style Sheet for Firefox

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User style sheets allow you to have more control over the Web pages you are visiting. They allow you to define styles for usability as well as for your own comfort. This how to explains how to use a user style sheet in Firefox.
Difficulty: Easy
Time Required: 5 minutes

Here's How:

  1. Find your Firefox profile.
    It is usually located in the "application data" folder on Windows, or the "application support" folder on Macintosh.
  2. Rename your user style sheet from step 1 to userContent.css and place it in the chrome directory of your Firefox profile.
  3. Close your browser and re-open it. Your styles will be applied to all pages you visit after that.

Tips:

  1. If you change your style sheet, you may have to close your browser and re-open it for the styles to take effect.
  2. If you can't find your Profiles directory, you can search for userContent-example.css on your hard drive. That is usually in the same folder.

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