CSS bounceIn弹跳效果

描述

弹跳动画效果用于在击中表面后快速向上、向后或离开元素。

语法

@keyframes bounceIn {
   0% { 
      opacity: 0; 
      transform: scale(.3);
   }
   50% { 
      opacity: 1;
      transform: scale(1.05);
   }
   70% {
      transform: scale(.9);
   }
   100% {
      transform: scale(1);
   }
}

参数

**Transform ** − 变换将2D和3D变换应用于元素。
**Opacity ** − 不透明度应用于元素以使其半透明。

示例

<html>
   <head>
      <style>
         .animated { 
            background-image: url(https://geek-docs.com/static/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 bounceIn {
            0% {
               opacity: 0;
               -webkit-transform: scale(.3);
            }
            50% {
               opacity: 1;
               -webkit-transform: scale(1.05);
            }
            70% {
               -webkit-transform: scale(.9);
            }
            100% {
               -webkit-transform: scale(1);
            }
         }

         @keyframes bounceIn {
            0% {
               opacity: 0;
               transform: scale(.3);
            }
            50% {
               opacity: 1; 
               transform: scale(1.05);
            }
            70% {
               transform: scale(.9);
            }
            100% {
               transform: scale(1);
            }
         }

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

   <body>

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

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

   </body>
</html>

它将产生以下结果−

CSS bounceIn弹跳效果