Something wrong with my mba in the title

[baka-world]

I got something like this but I do not change anything. I tried to change the userChrome.css but I dont know what to do, it just like dosen't work. what can I do?

[PumpkinJui]

Get a similiar problem. As the screenshots above show, the shield icon is hidden, as well as the star icon & Firefox Translations. The lock icon has a strange background color. I made slight changes on the files to get the color right, but that's all I did. Using this theme on Firefox 125.0.3 on Windows 10.