.nobg,.nobg:active,.nobg:hover,.nobg:link,.nobg:visited{-webkit-appearance:none;background-coloe:transparent!important;border:none!important;outline:none!important}.ivu-tree ul li{margin:2px 0}.line{cursor:pointer;-webkit-transition:all .5s;transition:all .5s;background-color:transparent;border-radius:3px;padding:2px 16px 0 0}.line:hover{background-color:#f1f1f1}