JS-position-相对定位-绝对定位 

<!doctype html>
<html lang="en">
 <head>
  <meta charset="UTF-8">
  <title>Document</title>
	<style>
		#box{
			width:150px;
			height:50px;
			background:red;
		}
		#box:hover{
			position:relative;
			left:-10px;
			top:-10px;
		}
	</style>
 </head>
 <body>
  <div id="box"></div>
 </body>
</html>

posted @ 2018-11-11 19:34  IndustriousHe  阅读(3044)  评论(0)  编辑  收藏  举报