.previews{background:#fff;margin-left:20px}.previews .top-radio,.previews .topPreviw{padding:10px}.previews .el-select{width:100%;line-height:30px}.previews .tree{margin-top:10px;max-height:200px;overflow-y:auto}.previews .tree::-webkit-scrollbar{width:6px}.previews .tree::-webkit-scrollbar-thumb{border-radius:10px;-webkit-box-shadow:inset 0 0 5px rgba(0,0,0,.2);background:rgba(0,0,0,.2)}.previews .tree::-webkit-scrollbar-track{-webkit-box-shadow:inset 0 0 5px rgba(0,0,0,.2);border-radius:0;background:rgba(0,0,0,.1)}.previews .priewIframe{background:#fff;padding:10px}.previews .priewIframe p{padding:10px;font-size:14px}.previews .priewIframe .iframe{width:100%;margin-top:10px;min-height:300px}