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How to contribute to the Support Forum
Learn how you can help users of Firefox and other Mozilla products by answering their support questions
How to make screenshots
Learn how to take screenshots on Windows, macOS, Linux, iOS, and Android to enhance your Knowledge Base articles with clear visuals.
Contributors guide on Firefox advanced customization with CSS
What you need to know about Firefox customization with the userChrome.css file and how to help users get more help or revert their changes.
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