使用css的attr()写一个类似a标签title的提示框

   .box{       position:relative;   }   .box:hover{       content: attr(data-title);display: inline-block;       padding: 10px 14px;       border: 1px solid #ddd;       border-radius: 5px;       position: absolute;       top: -50px;       left: -10px;   }