移动的光束 

     <!DOCTYPE html>
     <html lang="en">
      
     <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta http-equiv="X-UA-Compatible" content="ie=edge">
     <title>Document</title>
     <style>
     .img {
     display: block;
     position: relative;
     width: 800px;
     height: 450px;
     margin: 0 auto;
     }
      
     .img:before {
     content: "";
     position: absolute;
      
     width: 100px;
     height: 120%;
      
      
     top: 0;
     /*初始位置*/
     left: -150px;
     overflow: hidden;
      
     /*控制背景色的渐变色*/
     background: -moz-linear-gradient(left, rgba(255, 255, 255, 0)0, rgba(255, 255, 255, .2)50%, rgba(255, 255, 255, 0)100%);
     background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255, 255, 255, 0)), color-stop(50%, rgba(255, 255, 255, .2)), color-stop(100%, rgba(255, 255, 255, 0)));
     background: -webkit-linear-gradient(left, rgba(255, 255, 255, 0)0, rgba(255, 255, 255, .2)50%, rgba(255, 255, 255, 0)100%);
     background: -o-linear-gradient(left, rgba(255, 255, 255, 0)0, rgba(255, 255, 255, .2)50%, rgba(255, 255, 255, 0)100%);
      
     /*控制光束倾斜度*/
     -webkit-transform: skewX(-25deg);
     -moz-transform: skewX(-25deg)
      
     }
      
     .img:hover:before {
     left: 150%;
     transition: left 2s ease 0s;
     }
      
     </style>
     </head>
      
     <body>
     <a href="#" class="img"><img
     src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1508071812303&di=39df35e061f362e6cd1e1f432b6af0d9&imgtype=0&src=http%3A%2F%2Fwww.pp3.cn%2Fuploads%2F201505%2F2015062602.jpg" width="800">
     </a>
     </body>
      
     </html>

 

posted @ 2017-10-15 18:10  JonasYu  阅读(243)  评论(0)    收藏  举报