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Specific websites changing tab bar height (Bug)

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Hi,

I noticed that when I open a specific site, the tabs bar becomes huge, and when I close it, the bar goes back to its normal height. For example, it happens when I go to this page: Problematic Site

I have no idea why it happens. I remember that it did happen before, but I only noticed now that it has something to do with having some specific pages loaded. So I know it has happened because of some other sites, but I don't remember which ones.

Even if I change the tab, the tab bar stays big, as long as the problematic page is loaded (even on the background).

This also happens in safe mode, so it's not because of my extensions, I imagine. Also happening on another laptop here.

Does anyone have any idea why this is happening?

Thanks,

Attached screenshots

Modified by brunomonteiro815

Chosen solution

The CSS code I use in userChrome.css for the tabs below the Navigation Toolbar set a fixed 25px height for the Tab bar and I'm not seeing this issue.

(from reading the bug report, it is more likely because DejaVu Serif is used)

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All Replies (3)

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Yes, this is a known issue. It's being analysed in bug 1704404.

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Chosen Solution

The CSS code I use in userChrome.css for the tabs below the Navigation Toolbar set a fixed 25px height for the Tab bar and I'm not seeing this issue.

(from reading the bug report, it is more likely because DejaVu Serif is used)

Modified by cor-el

Helpful?

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cor-el said

(from reading the bug report, it is more likely because DejaVu Serif is used)

Thanks, Changing the system font to DejaVu Sans (and restarting firefox) fixed it for me.

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