Why does the back botton have a extra leg that disappears when mouse is moved over it?
There is a small "leg" on the back arrown that goes away then the mouse pointer is moved over it. Why?
Alla svar (3)
Do you have any Firefox themes installed which might be modifying the appearance of the back button?
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Ändrad av jscher2000 - Support Volunteer
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
You can try to disable OMTC and leave hardware acceleration in Firefox enabled.
- about:config page: layers.offmainthreadcomposition.enabled = false
You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.