Remove duplicate styles but some overrides for e.g. border already needed.
Changed class .card-content to .card-body
Add card-size-medium to card on ElementInformation to use some
empty space, cause there's only one card.

Resolves: #94529
Releases: master
Change-Id: I1e8d3cdfe8e622806eff4f1e52f3a2bad1740fad
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70480


Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>