Upper bookmarks are no more reachable in FF 145

[CoSoCo]

Guidelines

• [x] I have read how to report a new issue
• [x] I have used the latest release
• [x] I have set the toolkit.legacyUserProfileCustomizations.stylesheets in about:config to true

Does the issue occur without any files inside /chrome/ folder?

No

Description of the Issue

• Click on folder with many items in bookmark bar. -> the column of items is automatically scrolled to the bottom part.
• Use mouse wheel to scroll to the upper entries and move mouse to the wanted entry. -> the column is again automatically scrolled to the bottom part, so the wanted bookmark item is not reachable.

Issue description, userChrome.css/userContent.css 'settings' the issue occurs with and steps to reproduce the issue

userChrome.css

Does the issue occur with the most recent version of CustomCSSforFx (release/test/dev build)?

Yes, with the latest release: 4.7.5

Screenshots showing the issue

System information

• OS & OS version: Ubuntu 24.04
• DPI/HiDPI/scaling value, if not 100% (e.g. 125%, 150%...): No
• Firefox version: 145.0.1
• Firefox theme (e.g. default, build in light/dark, external theme + link): default

[CoSoCo]

The issue is caused by: "./css/tabs/tabs_multiple_lines.css" Workaround: "./css/tabs/tabs_multiple_lines_fx128-140.css"