[BUGFIX] Fix compiled css

Releases: master
Resolves: #71589
Change-Id: I5ba964a6df3b4a85354bca16df7d7aa64f294eb3
Reviewed-on: https://review.typo3.org/44728


Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>