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How would I stop the close tab X from highlighting when I hover my cursor over it?

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I have managed to hide the "x" (close tab button) with this:

/*** Hide Tab Close buttons ***/ .tabbrowser-tab .tab-close-button {

 visibility: collapse !important;

}

I found this being more annoying than the "x" being highlighted. Is there a similar thing I can do that only disables the highlighting without hiding the entire button?

I have managed to hide the "x" (close tab button) with this: /*** Hide Tab Close buttons ***/ .tabbrowser-tab .tab-close-button { visibility: collapse !important; } I found this being more annoying than the "x" being highlighted. Is there a similar thing I can do that only disables the highlighting without hiding the entire button?

All Replies (1)

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You can try one of these rules in userChrome.css to see what works best for you to disable the appearance change if you hover the close X on a tab. You need to close and restart Firefox (e.g. use the button on about:profiles) after modifying userChrome.css.

.tabbrowser-tab:hover .tab-close-button {
  background-color: transparent !important;
  color: inherit !important;
}

.tabbrowser-tab:hover .tab-close-button {
  background-color: unset !important;
  color: unset !important;
}

DISCLAIMER: modifications made through a userChrome.css file can stop working as Firefox evolves in new releases, and can "break" the interface in serious ways.