Some fixes
Some fixes

Standard-buttons now with proper color-states; Background-image should
now show up in ACP when WBB is installed and user enables them in CSS;

joshuaruesweg/WCF,joshuaruesweg/WCF,PhrozenByte/WCF2,MeinAccount/WCF,SoftCreatR/WCF,MeinAccount/WCF,joshuaruesweg/WCF,Cyperghost/WCF,Cyperghost/WCF,WoltLab/WCF,0xLeon/WCF,Morik/WCF,Morik/WCF,MenesesEvandro/WCF,Cyperghost/WCF,NBZ4live/WCF,ramiusGitHub/WCF,ramiusGitHub/WCF,SoftCreatR/WCF,Cyperghost/WCF,PhrozenByte/WCF2,cashcat/WCF-1,WoltLab/WCF,WoltLab/WCF,NBZ4live/WCF,WoltLab/WCF,0xLeon/WCF,Cyperghost/WCF,MenesesEvandro/WCF,SoftCreatR/WCF,Morik/WCF,0xLeon/WCF,cashcat/WCF-1,Morik/WCF,SoftCreatR/WCF