wxiaoguang 6f13331754 Improve theme display (#30671) ...

Document: https://gitea.com/gitea/docs/pulls/180

![image](https://github.com/go-gitea/gitea/assets/2114189/68e38573-b911-45d9-b7aa-40d96d836ecb)

2025-03-08 21:38:11 +00:00

..

webtheme_test.go

…

webtheme.go

…