CSS 向下左旋转效果

描述

它提供了绕轴或中心进行圆周运动或引起物体绕轴或中心进行圆周运动的功能。

语法

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

参数

Transform − Transform应用于2D和3D转换元素。
Opacity − Opacity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 rotateInDownLeft {
            0% {
               -webkit-transform-origin: left bottom;
               -webkit-transform: rotate(-90deg);
               opacity: 0;
            }
            100% {
               -webkit-transform-origin: left bottom;
               -webkit-transform: rotate(0);
               opacity: 1;
            }
         }

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

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

   <body>

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

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

   </body>
</html>

它将产生以下结果 −