Followup to https://codeberg.org/forgejo/forgejo/issues/6459 Preview: - https://codeberg.org/attachments/cc12a227-c6eb-4ab5-91ad-0ef967f88c7a - https://codeberg.org/attachments/a13c8cb6-f654-430c-a6c6-990a2a7f0911 Changes: - hovered items now have background painted with transition - added E2E testing: mostly for CSS logic introduced in this PR but also a bit for existing functionality - variable --color-active is now consistently non-transparent: it already was in forgejo-dark but is now in all themes - some code improvements in switch.css Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/9057 Reviewed-by: Beowulf <beowulf@beocode.eu>
