CSS实现：标题两侧画线效果

如图：

html代码：

 <div class="detail-news">
         <h5 class="detail-news-title">
             <span>详细信息</span>
         </h5>
 </div>

css代码：

 .detail-news-title{
     font-size: 16px;
     font-weight: normal;
     text-align: center;
     padding-top: 10px;
     position: relative;
 }
 .detail-news-title::before{
     content: "";
     display: block;
     width: 60vw;
     height: 1px;
     background: #333;
     position: absolute;
     left: 50%;
     margin-left: -30vw;
     top: 18px;
 }
 .detail-news-title span{
     padding: 0 10px;
     background: #fff;
     position: relative;
     z-index:;
 }