.cardStyle{padding:12px 24px;margin:0 28px 32px 4px;box-shadow:1px 1px 12px #dcdcdc;border-radius:4px}.ivu-tree-title-selected,.ivu-tree-title-selected:hover{background-color:#d5e8fc;position:relative;padding-right:22px}.ivu-tree-title-selected:after,.ivu-tree-title-selected:hover:after{content:"";position:absolute;right:4px;top:5px;width:12px;height:18px;background-image:url(http://images.ufutx.com/201905/15/c09ba0a5ed976879bc389cc9cfd8c43a.png);background-size:contain;background-repeat:no-repeat}