CSS3 Infinite Translate Animation Examples

First Page
<!DOCTYPE html>
<html>
   <head>
      <title>CSS3 Infinite Translate Animation Examples</title>
      <style type="text/css">
         .box {
            margin: 50px;
            width:103px;
            height:130px;
            background: url("css3.jpg") no-repeat;
            position: relative;
            -webkit-animation: repeatit 2s linear 0s infinite alternate;
            animation: repeatit 2s linear 0s infinite alternate;
         }
         @-webkit-keyframes repeatit {
            from {left: 0;}
            to {left: 50%;}
         }
         @keyframes repeatit {
            from {left: 0;}
            to {left: 50%;}
         }
      </style>
   </head>
   <body>
      <div class="box"></div>
   </body>
</html>
Output

First Page