.title_left{margin-left:10px;color:#409eff}.title_all{margin-bottom:15px;border-left:10px solid #409eff}#topicMgr{height:100%}#topicTree{height:100%;border-right:1px solid #e6e6e6}#drawer .el-drawer{overflow:auto}#topicMgr .drawer_footer{width:100%;height:64px;background:#fff}.drawer_footer .el-button{margin:16px;float:right}#topicMgr .custom-tree-node{width:100%;padding-right:20px}