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Add Tab + button

Firefox Surfen
cor-el beantwortet
Photoparity
Photoparity

What's happened to the + sign to add a new tab? I've customized Firefox to have tabs below the address bar (as they should be) but have just noticed that, once the window is full of tabs, the + to add another tab has disappeared. Is this because of my customization or has Firefox removed this function?

What's happened to the + sign to add a new tab? I've customized Firefox to have tabs below the address bar (as they should be) but have just noticed that, once the window is full of tabs, the + to add another tab has disappeared. Is this because of my customization or has Firefox removed this function?

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cor-el
cor-el
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Sounds like the CSS code you use is outdated and needs an update. You can check this question.