Home › Forums › ColorfulTabs › userChrome.css Tweaks for ColorfulTabs in Firefox Quantum and later › Reply To: userChrome.css Tweaks for ColorfulTabs in Firefox Quantum and later
February 25, 2018 at 4:52 pm
#20185
Participant
I use Linux as well (several distros), but I haven't messed with it much lately and have been developing Windows utilities so it's been a while, but you may find good information here:
Ubuntu - Userchrome css tweaks for firefox quantum and later
It seams you might have to add:
@namespace xul url(https://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
to the top of your userChrome.css file
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This reply was modified 7 years, 6 months ago by
FluxApex.