CSS - 淡入效果



描述

图像逐渐出现或消失,或与另一个镜头融合。

语法

@keyframes fadeIn {
   0% {opacity: 0;}
   100% {opacity: 1;}
} 

参数

  • transform − transform 将 2D 和 3D 变换应用于元素。

  • opacity − opacity 应用于元素以使其半透明。

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 fadeIn {
            0% {opacity: 0;}
            100% {opacity: 1;}
         }
         
         @keyframes fadeIn {
            0% {opacity: 0;}
            100% {opacity: 1;}
         }
         
         .fadeIn {
            -webkit-animation-name: fadeIn;
            animation-name: fadeIn;
         }
      </style>
   </head>

   <body>
   
      <div id = "animated-example" class = "animated fadeIn"></div>
      <button onclick = "myFunction()">Reload page</button>
      
      <script>
         function myFunction() {
            location.reload();
         }
      </script>
      
   </body>
</html>

输出

它将产生以下结果:

css_animation.htm
广告