weird full screen toolbar button
The toolbar button "Full Screen" is showing a huge image, kind of like an icon library. It looks evil I would like to change it, please!
This happened
Every time Firefox opened
== I don't know
Chosen solution
You may have an incompatible theme (Tools > Add-ons > Themes) that doesn't know the full screen button. Try the Default theme.
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
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Chosen Solution
You may have an incompatible theme (Tools > Add-ons > Themes) that doesn't know the full screen button. Try the Default theme.
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems