菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>菜鸟教程(runoob.com)</title>
<style> 
#myImg {
  width: 200px;
  height: 400px;
  object-fit: cover;
  object-position: 0% 0%;
  animation: mymove 5s infinite;
}  

@keyframes mymove {
  0% {
    object-position: 0% 0%;
  }
  25% {
    object-position: 20% 0%;
  }
  100% {
    object-position: 100% 100%;
  }
}
</style>
</head>
<body>

<h1>object-position 的动画</h1>

<p>逐渐更改图像在其内容框中的位置:<p>

<img src="paris.jpg" alt="Paris" id="myImg" width="400" height="300">

<p>注意: Internet Explorer/Edge 15 或更早版本的浏览器不支持 object-position 和object-fit 属性。</p>

</body>
</html>
              