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It looks like they did: https://bugzilla.mozilla.org/show_bug.cgi?id=574654 https://bugzilla.mozilla.org/show_bug.cgi?id=574654 Someone did package up the CSS

It looks like they did: https://bugzilla.mozilla.org/show_bug.cgi?id=574654 https://bugzilla.mozilla.org/show_bug.cgi?id=574654 Someone did package up the CSS and put it into an addon though: https://addons.mozilla.org/en-US/firefox/addon/custom-tab-width/ https://addons.mozilla.org/en-US/firefox/addon/custom-tab-wi...

eCa 15y ago
Tab Mix Plus is great for all sorts of tab settings. https://addons.mozilla.org/en-US/firefox/addon/tab-mix-plus/ https://addons.mozilla.org/en-US/firefox/addon/tab-mix-plus/