标题文本过多,保留两边文字,中间省略
<ul class="con">
<li class="wrap">
<span class="txt">CSS 实现优惠券的技巧 - 2021-03-26</span>
<span class="title" title="CSS 实现优惠券的技巧 - 2021-03-26">CSS 实现优惠券的技巧 - 2021-03-26</span>
</li>
<li class="wrap">
<span class="txt">CSS 测试标题,这是一个稍微有点长的标题,超出一行以后才会有title提示,标题是 实现优惠券的技巧 - 2021-03-26</span>
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</li>
<li class="wrap">
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</li>
<li class="wrap">
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</li>
</ul>
css
.con {
font-size: 14px;
color: #666;
width: 600px;
margin: 50px auto;
border-radius: 8px;
padding: 15px;
overflow: hidden;
resize: horizontal;
box-shadow: 20px 20px 60px #bebebe,
-20px -20px 60px #ffffff;
}
.wrap {
position: relative;
line-height: 2;
height: 2em;
padding: 0 10px;
overflow: hidden;
background: #fff;
margin: 5px 0;
}
.wrap:nth-child(odd) {
background: #f5f5f5;
}
.title {
display: block;
position: relative;
background: inherit;
text-align: justify;
height: 2em;
overflow: hidden;
top: -4em;
}
.txt {
display: block;
max-height: 4em;
}
.title::before{
content: attr(title);
width: 50%;
float: right;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
direction: rtl;
}