.margins .el-transfer__buttons .el-button{display:block;margin:10px 0}.com-jsgl{position:relative}.com-jsgl.hide .el-button{display:none}.com-jsgl .jsgl-left{top:50%;margin-top:-100px}.com-jsgl .jsgl-left,.com-jsgl .jsgl-right{position:absolute;width:56px;margin-left:-28px;left:50%}.com-jsgl .jsgl-right{bottom:50%;margin-bottom:-100px}