.jddiv{width:2px;background:#e5eaf1;height:100%;margin-left:45%}.jdx{background:#557beb;width:11px;height:11px;border-radius:10px;position:absolute;top:50%;left:calc(45% - 5px);-webkit-transform:translateY(calc(-50% - 5px));transform:translateY(calc(-50% - 5px))}.gutter-example :deep(.ant-row>div){background:transparent;border:0}.gutter-box{border:1px double #efefef;padding:12px;margin-bottom:10px;margin-top:10px}.fontcss{font-size:17px;font-weight:550}