时间:2021-07-01 10:21:17 帮助过:13人阅读
原理
父级元素relative,子元素 absolute,然后通过top、left、right、bottom来设置具体出现位置。<div class="wrapper-dashed">
    <div class="dashed"></div>
</div>
.wrapper-dashed{
    position: relative;
    height: 1px;
    width: 100%;
}
/*虚线实现*/
.dashed {
    border-top: 1px dashed #cccccc;
    height: 1px;
    overflow: hidden;
}
.dashed:before, .dashed:after{
    display: block;
    position: absolute;
    content: "";
    width:10px;
    height:10px;
    background-color:#f3f5f9;
    border-radius:50%;
    top: -5px;
}
.dashed:before{
    left: -5px;
}
.dashed:after{
    right: -5px;
}

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