Milestone description layout

[Cypouz]

• Gitea version (or commit ref): 1.13.4
• Git version: 2.20.1
• Operating system: Debian 10, using binary package from Gitea, running with systemd.
• Database:
  • PostgreSQL
  • MySQL
  • MSSQL
  • SQLite
• Can you reproduce the bug at https://try.gitea.io:
  • Yes (https://try.gitea.io/Cypouz/Test/milestone/1335)
  • No
• Log gist:

Description

On preview list of milestones, descriptions use all the width of the layout. It's good. After clicking on a single milestone, the description only use the width of a column on the left of the layout.

Screenshots