Problem/Motivation
In the Olivero theme, there is a table UI issue in the admin section.
Steps to reproduce
Step1 : Install Drupal
Step2 : Set Olivero as the administration theme.
Step3 : Go to /admin/structure/types/manage/article/permissions
Step4 : When scrolling the table, the sticky header overlaps with the tbody text.
Proposed resolution
Add a background color to the table's sticky header to resolve this issue.
suggestion
It would be better if we could improve the table UI for the Olivero admin theme.
