Firefox Customs

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Post your unsupported Firefox customizations here!

From the makers of r/FirefoxCSS

Links

• MrOtherGuy's styles
• CustomCSSforFx
• userChrome.org
• FirefoxCSS-Store
• Firefox Browser Toolbox

Related

• Firefox

Rules

1. Posts must have flair!
2. Posts cannot be memes/shitposts. They should be about Firefox customization with CSS.
3. Please be civil. Bear in mind that many users come here for help and would be turned off by insults and rudeness.
4. When posting large amount of code use a service dedicated to hosting text snippets, such as pastebin, hastebin, github gist or equivalent. Relatively short snippets can be wrapped in code-block for inline viewing.
5. Do NOT use url-shorteners or link to compressed downloads (such as zip or rar) when sharing code.

MODERATORS

/* Remove unwanted margin of menupopup just in linux */
    
    @media (-moz-platform: linux) {
        #appMenu-popup {
            --panel-shadow-margin: 0px !important;
            --panel-padding-block: 0px !important;
        }
    }