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Tab appearance on latest version of firefox is difficult to see

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I just upgraded firefox on 6/7/21 and the tabs in the bar across the top of the widow have a grey background with no outline and are very difficult to read. Is there a way to get the previous appearance back?

I just upgraded firefox on 6/7/21 and the tabs in the bar across the top of the widow have a grey background with no outline and are very difficult to read. Is there a way to get the previous appearance back?

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Hi , There's a Firefox theme on the addons site called Photon Colors, which I found helps a lot.

Go to https://addons.mozilla.org/firefox/addon/photon-colors/ and click on Install Theme.