.mmbRemoteBG { background-image: url('https://storage.googleapis.com/yap-static-assets/bg/01.jpg');  &.skinAdService { background-image: url('https://storage.googleapis.com/yap-static-assets/bg/skins/adservice.jpg'); }&.skinGService { background-image: url('https://storage.googleapis.com/yap-static-assets/bg/skins/gservice.jpg'); }}