.left-tree{border:1px solid #e0e0e0;overflow:auto;padding:10px!important;max-height:600px}.el-tree--highlight-current .el-tree-node.is-current>.el-tree-node__content,.el-tree--highlight-current .el-tree-node .is-current>.el-tree-node__content{background-color:#409eff;color:#fff}