Applying a distinct background color to wiki content ensures that content with a background color (eg. code blocks) actually stands out against the background. Fixes #9391. Before: - https://codeberg.org/forgejo/forgejo/attachments/72c2530b-a79b-45e7-8980-db0b33a4ca85 - https://codeberg.org/forgejo/forgejo/attachments/3195cc83-1f8b-46c8-8eb8-2b1ceb0bce28 - https://codeberg.org/forgejo/forgejo/attachments/8922db5a-c57b-44e5-a4de-9cfbd0ba207f - https://codeberg.org/forgejo/forgejo/attachments/5815022f-f03a-476b-9dec-b224c4c14f12 After: - https://codeberg.org/forgejo/forgejo/attachments/f3a0cb17-b829-4bc6-ae07-f06d111a103e - https://codeberg.org/forgejo/forgejo/attachments/e1cf97e5-44a0-4dce-85ab-a594c4474ab8 (same) - https://codeberg.org/forgejo/forgejo/attachments/7edd5163-186c-488a-a6c1-b093edc0be43 - https://codeberg.org/forgejo/forgejo/attachments/5815022f-f03a-476b-9dec-b224c4c14f12 (same) Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/9400 Reviewed-by: 0ko <0ko@noreply.codeberg.org> Co-authored-by: Jordan Atwood <nightfirecat@nightfirec.at> Co-committed-by: Jordan Atwood <nightfirecat@nightfirec.at>
