目录

Fade In Down

描述 (Description)

图像来或导致逐渐进入或离开视图,或合并到另一个镜头中。

语法 (Syntax)

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

参数 (Parameters)

  • Transform - 变换适用于元素的二维和三维变换。

  • Opacity - 不透明度适用于要进行半透明的元素。

例子 (Example)

<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 fadeInDown {
            0% {
               opacity: 0;
               -webkit-transform: translateY(-20px);
            }
            100% {
               opacity: 1;
               -webkit-transform: translateY(0);
            }
         }
         @keyframes fadeInDown {
            0% {
               opacity: 0;
               transform: translateY(-20px);
            }
            100% {
               opacity: 1;
               transform: translateY(0);
            }
         }
         .fadeInDown {
            -webkit-animation-name: fadeInDown;
            animation-name: fadeInDown;
         }
      </style>
   </head>
   <body>
      <div id = "animated-example" class = "animated fadeInDown"></div>
      <button onclick = "myFunction()">Reload page</button>
      <script>
         function myFunction() {
            location.reload();
         }
      </script>
   </body>
</html>

输出 (Output)

它会产生以下结果 -

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