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Cannot clearly see content of top window area of Firefox (Mac) due to colored background. How do I make it solid (gray, for example)

SeniorInStockton
SeniorInStockton
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On my desktop Mac, the window edges and border are solid grey. On my laptop, there is a dark blue sky-like background across the top of the Firefox window, and a translucent version of the same across the bar where web addresses and search criteria are entered. I have a very hard time seeing the top information due to this. I want a standard gray (or white) background. I cannot find any Mac preferences nor Firefox preferences that address this issue.

On my desktop Mac, the window edges and border are solid grey. On my laptop, there is a dark blue sky-like background across the top of the Firefox window, and a translucent version of the same across the bar where web addresses and search criteria are entered. I have a very hard time seeing the top information due to this. I want a standard gray (or white) background. I cannot find any Mac preferences nor Firefox preferences that address this issue.

Chosen solution

You may have installed a lightweight theme (Persona). You can uninstall this theme and revert to the Default theme (Tools > Add-ons > Appearance/Themes).

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cor-el
cor-el
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Seçilmiş Həll

You may have installed a lightweight theme (Persona). You can uninstall this theme and revert to the Default theme (Tools > Add-ons > Appearance/Themes).

SeniorInStockton
SeniorInStockton Question owner
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SeniorInStockton said

On my desktop Mac, the window edges and border are solid grey. On my laptop, there is a dark blue sky-like background across the top of the Firefox window, and a translucent version of the same across the bar where web addresses and search criteria are entered. I have a very hard time seeing the top information due to this. I want a standard gray (or white) background. I cannot find any Mac preferences nor Firefox preferences that address this issue.

Thank you, thank you, thank you! I've no idea how that got in there, but removing it solved the problem.