mui webviewGroup 滚动条实现

直接在tab div添加一个空内容表示选中

.mui-segmented-control.mui-segmented-control-inverted .mui-control-item.mui-active:after{
			    content: "";
			    width: 24px;
			    height: 3px;
			    background: #ff2b00;
			    position: absolute;
			    bottom: 0;
			    left:50%;
			    margin-left: -12px;
			/*    transition: all .2s;*/			    
			}

 

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