使用CSS淡入淡出动画效果

要使用CSS在图像上实现淡出向下动画效果,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 fadeOutDown {

            0% {

               opacity: 1;

               -webkit-transform: translateY(0);

            }

            100% {

               opacity: 0;

               -webkit-transform: translateY(20px);

            }

         }

         @keyframes fadeOutDown {

            0% {

               opacity: 1;

               transform: translateY(0);

            }

            100% {

               opacity: 0;

               transform: translateY(20px);

            }

         }

         .fadeOutDown {

            -webkit-animation-name: fadeOutDown;

            animation-name: fadeOutDown;

         }

      </style>

   </head>

   <body>

      <div id="animated-example" class="animated fadeOutDown"></div>

      <button onclick="myFunction()">Reload page</button>

      <script>

         function myFunction() {

            location.reload();

         }

      </script>

   </body>

</html>

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