.tree-border-box[data-v-59388c8c]{width:600px;height:450px;padding:20px;border:1px solid #d9d9d9;border-radius:4px;overflow-y:auto;position:relative}.tree-border-box .empty-box[data-v-59388c8c]{position:absolute;left:50%;top:50%;padding-top:0;color:rgba(0,0,0,.25);text-align:center;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}