Merge pull request 'OZG-6103 OZG-6593 Improve layout and styling' (#747) from...

Merge pull request 'OZG-6103 OZG-6593 Improve layout and styling' (#747) from OZG-6103-admin-layout into master

Reviewed-on: https://git.ozg-sh.de/ozgcloud-app/alfa/pulls/747


Reviewed-by: OZGCloud <ozgcloud@mgm-tp.com>