.Scale_classification{width:100%;height:100%}.Scale_classification_nav{width:100%;height:calc(100% - 104px);margin-top:14px}.Scale_classification_nav_left{width:450px;height:100%;overflow:auto;float:left;background-color:#fff}.Scale_classification_nav_right{width:calc(100% - 464px);height:100%;float:right;background-color:#fff}