Fixes: https://github.com/go-gitea/gitea/issues/25444
Followup for some regressions from
https://github.com/go-gitea/gitea/pull/25343. Before and after:
<img width="219" alt="Screenshot 2023-06-21 at 00 25 20"
src="08fe8e01-0a16-4cdf-ad4d-0a9048408e9e">
<img width="220" alt="Screenshot 2023-06-21 at 00 25 32"
src="be25ae69-6ed0-4af5-8eeb-d7b210e7c124">
Fixes mobile button background and margins:
<img width="836" alt="Screenshot 2023-06-21 at 00 39 58"
src="d76ac1e9-747f-477c-9a42-b73e129b72ee">