.kwicks span.bj1{ background: url('/uploadfile/2019/0910/2019091014173534.jpg') no-repeat;} .kwicks span.bj2{ background:url('uploadfile/2013/0226/2013022618035611.jpg');} .kwicks span.bj3{ background:url('/uploadfile/2017/1127/2017112715423576.jpg');} .kwicks span.bj4{ background:url('/uploadfile/2017/1127/2017112715523800.jpg');}