话不多说直接上代码，主要实现方式是a标签设置的属性
li { display: inline-block; font-size: 0; } li a { display:inline-block; text-align:center; font: normal 16px Arial; text-transform: uppercase; } a:hover { font-weight:bold; } a::before { display: block; content: attr(title); font-weight: bold; height: 0; overflow: hidden; visibility: hidden; }
