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Sinewyk/userChrome.css

Created November 14, 2017 19:42
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Hide tab bar top of FF 57
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userChrome.css
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
#TabsToolbar { visibility: collapse; }
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Sinewyk commented Aug 27, 2019

about:support, mkdir chrome, put this file

about:config toggle toolkit.legacyUserProfileCustomizations.stylesheets

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