你题目的解答代码如下:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title> 页面名称 </title>
<style type="text/css">
@keyframes scaleDraw { /*定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称*/
0%{
transform: scale(1); /*开始为原始大小*/
opacity: 1;
}
100%{
transform: scale(0);
opacity: 0;
}
}
.pic{
animation: scaleDraw; /*关键帧名称*/
animation-timing-function: ease-in-out; /*动画的速度曲线*/
animation-duration: 5s; /*动画所花费的时间*/
animation-fill-mode: forwards; /*动画结束后为动画结束时的状态*/
}
</style>
</head>
<body>
<img src="1.jpg" class="pic" />
</body>
</html>
如有帮助,望采纳!谢谢!