.demo-upload-list{width:60px;height:60px;text-align:center;line-height:60px;border:1px solid transparent;background:#fff;position:relative;box-shadow:0 1px 1px rgba(0,0,0,.2)}.demo-upload-list img{width:100%;height:100%}.demo-upload-list-cover{display:none;position:absolute;top:0;bottom:0;left:0;right:0;background:rgba(0,0,0,.6)}.demo-upload-list:hover .demo-upload-list-cover{display:block}.demo-upload-list-cover i{color:#eee;font-size:20px;margin:0 2px}