用CSS弹起动画效果

要使用CSS实现反弹动画效果，您可以尝试运行以下代码-
示例

<html>
   <head>

      <style>
         .animated {
            background-image: url(/css/images/logo.png);
            background-repeat: no-repeat;
            background-position: left top;
            padding-top:95px;
            margin-bottom:60px;
            -webkit-animation-duration: 10s;
            animation-duration: 10s;
            -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
         }

         @-webkit-keyframes bounceOutUp {
            0% {
               -webkit-transform: translateY(0);
            }
            20% {
               opacity: 1;
               -webkit-transform: translateY(20px);
            }
            100% {
               opacity: 0;
               -webkit-transform: translateY(-2000px);
            }
         }

         @keyframes bounceOutUp {
            0% {
               transform: translateY(0);
            }
            20% {
               opacity: 1;
               transform: translateY(20px);
            }
            100% {
               opacity: 0;
               transform: translateY(-2000px);
            }
         }

         .bounceOutUp {
            -webkit-animation-name: bounceOutUp;
            animation-name: bounceOutUp;
         }
      </style>

   </head>
   <body>

      <div id = "animated-example" class = "animated bounceOutUp"></div>
      <button onclick = "myFunction()">Reload page</button>

      <script>
         function myFunction() {
            location.reload();
         }
      </script>

   </body>
</html>
基础教程