.chat_box{height:100%;overflow:hidden}.custom_card_sty .ivu-card-head{background-color:#fff}.custom_card_sty .ivu-card-body{height:100%;padding:0}.custom_card_sty .ivu-tree-title{width:98%;padding:0}.widthFull .ivu-form-item-label{width:100%;text-align:left}