CSS 旋转向左下效果

描述

它提供了围绕轴或中心移动或使移动的能力。

语法

@keyframes rotateOutDownLeft {
   0% {
      transform-origin: left bottom;
      transform: rotate(0);
      opacity: 1;
   }
   100% {
      transform-origin: left bottom;
      transform: rotate(90deg);
      opacity: 0;
   }
}

参数

transform - 转换应用于元素的2D和3D变换。
opacity - 透明度应用于元素以实现半透明效果。

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 rotateOutDownLeft {
            0% {
               -webkit-transform-origin: left bottom; 
               -webkit-transform: rotate(0); 
               opacity: 1; 
            }
            100% { 
               -webkit-transform-origin: left bottom; 
               -webkit-transform: rotate(90deg);
               opacity: 0;
            }
         }
         @keyframes rotateOutDownLeft {
            0% {
               transform-origin: left bottom;
               transform: rotate(0); 
               opacity: 1;
            }
            100% {
               transform-origin: left bottom;
               transform: rotate(90deg);
               opacity: 0;
            }
         }

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

   <body>

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

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

   </body>
</head>

它将产生以下结果−