Recent Commits to firefox-csshacks:master

tab separator lines: Rewrite using inheritance for background-size

This fixes a few remaining issues and adds support for vertical tabs

autohide bookmarks toolbar: couple more fixes for deriving background correctly

tab separator lines: add more cases when to hide separator

navbar below content: update toolbar-bgcolor to toolbar-background-color

Change uses of --toolbarbutton-{inner,outer}-padding to ...-padding-{inner,outer}

This should preserve the old name as fallback until ESR-next is released

autohide bookmarks toolbar: Fix missing bookmarks toolbar background