如果你的css重置中禁止了点击高亮效果，你还可以使用css模拟这个css点击高亮，点击高亮效果主要在移动端用处比较大，移动端的按钮链接点击后如果没有表现出一些点击过的效果，会让人怀疑是不是点击到了。
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>css点击高亮|北京CD,长沙CD</title>
<STYLE>
.active{ position: relative; padding:10px;}
.active:before{
content: ‘‘;
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
background-color:#ddd;
background-repeat: no-repeat;
background-position: center;
background-size: 100% 100%;
opacity: 0;
pointer-events: none;
-webkit-transition: opacity 600ms;
transition: opacity 600ms; /*加上动画显得更自然*/
}
.active:active:before{
opacity: 1;
-webkit-transition: opacity 150ms;
transition: opacity 150ms;
}
</STYLE>
</head>
<body>
<SPAN class="active">点击试试</SPAN>
</body>
</html>
原文：https://www.cnblogs.com/dongdong415/p/10824451.html