Black bar between tabs and address bar

[Un1q32]

Describe the bug There is a small black bar between the tab bar and address bar

To Reproduce 1: open firefox, if hideSingleTab is on you will need to open another tab to show the tab bar

Expected behavior no black bar, like it is in epiphany

Screenshots

Setup information

• OS: Fedora 38 fully up to date
• Installation method: Fedora repos
• Firefox version: 117
• Theme version: 5f531cf8aacfedd42ad43b4d891284ae326c6989
• Optional features enabled: hideSingleTab, systemIcons, bookmarksToolbarUnderTabs

[Un1q32]

Just updated to 118 while writing this issue and its also a problem there

[rafaelmardojai]

This theme currently follows libadwaita 1.3 (GNOME 44) and that is how it looks. So this might be a duplicated of #599.

[rafaelmardojai]

You can check #662 for progress.