[TASK] page module styling

* Styling page module for classic and grid layout

Resolves: #43208
Releases: 6.0

Change-Id: Ie0831ecf37937d0a974bbb6ed9f34cfcc1c3106e
Reviewed-on: http://review.typo3.org/16763
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel