html的代码
<div class="wrapper">
<div class="wrapper-content">
<div class="line"></div>
<div class="title">商品属性</div>
<div class="line"></div>
</div>
</div>
css代码：
<style type="text/css"> .wrapper{width: 100%;} .wrapper-content{width:40%;display:flex;margin: 0 auto;} .line{flex: 1;position: relative;border-bottom: 1px solid rgba(0,0,0,0.2); top: -6px;} .title{line-height: 16px;font-size: 14px;font-weight:700; color:rgb(0,0,0);} </style>
运行效果：
