Merge pull request 'OZG-7078 OZG-7352 Add hover styling to a11y button' (#861)...

Merge pull request 'OZG-7078 OZG-7352 Add hover styling to a11y button' (#861) from OZG-7078-bugfix into master

Reviewed-on: https://git.ozg-sh.de/ozgcloud-app/alfa/pulls/861


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