.material_info{width:100%;padding:10px;display:flex;flex-direction:row}.material_info-left{min-height:calc(100vh - 134px);width:calc(25% - 10px);overflow:auto;margin-right:10px}.material_info-left-tree{margin-top:20px}.material_info .right{min-height:calc(100vh - 134px);width:75%;overflow:auto}