CSS3 美女动画相框

把下面的内容放到一个body内，运行看一看:)

<style>
*{ margin:0; padding:0;}
.bg1{ background-image:-moz-linear-gradient(45deg,red 25%, transparent 25%,transparent 50%,red 50%, red 75%, transparent 75%, transparent); background-size:30px 30px;
animation:animate 0.5s linear infinite; transform:opacity 0.3s ease; height:200px; width:133px; padding:10px; margin:auto; position:absolute; top:0; right:0; bottom:0; left:0;}
@-webkit-keyframes animate{
    from{ background-position:0 0;}
    to{ background-position:60px 30px}
    }
@-moz-keyframes animate{
    from{ background-position:0 0;}
    to{ background-position:60px 30px}
    }
@keyframes animate{
    from{ background-position:0 0;}
    to{ background-position:60px 30px}
    }
</style>
<div class="bg1">
<img src="http://c.hiphotos.baidu.com/image/h%3D200/sign=2adf909ea94bd1131bcdb0326aaea488/0bd162d9f2d3572cf395e8318e13632763d0c3ec.jpg" alt="1" width="133" height="200" /></div>