Fix appearance of content navigation buttons in mobile version
Fix appearance of content navigation buttons in mobile version

Buttons went beyond the edge of the screen instead of wrapping.

SoftCreatR/WCF,SoftCreatR/WCF,WoltLab/WCF,SoftCreatR/WCF,WoltLab/WCF,WoltLab/WCF,SoftCreatR/WCF,WoltLab/WCF