fix CSS banner
fix CSS banner

P1tt187/shariff,medienverbinder/shariff,rolandgeider/shariff,ArneBab/shariff,ArneBab/shariff,bozana/shariff,ArneBab/shariff,medienverbinder/shariff,rolandgeider/shariff,craiq/shariff,heiseonline/shariff,P1tt187/shariff,kraftner/shariff,andrelohmann/shariff,andrelohmann/shariff,bozana/shariff,kraftner/shariff,kraftner/shariff,rolandgeider/shariff,medienverbinder/shariff,bozana/shariff,craiq/shariff,andrelohmann/shariff,craiq/shariff,P1tt187/shariff