你好，请问这样对不对？
来源：2-11 编程练习
慕用1366767
2020-02-26 12:11:40
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>background-size</title>
<style type="text/css">
a{text-decoration:none;}
ul{list-style:none;}
div{
background-image:url("http://img1.sycdn.imooc.com\/climg/582c37e50001b08102000065.jpg");
width:100px;height:100px;
display:none;border:2px solid red;
background-repeat:no-repeat;
/* display:none; */
}
/*补充代码*/
.length:hover div{
display:block;
background-size:100px 100px;
}
.percent:hover div{
display:block;
background-size:50% 50%;
}
.cover:hover div{
display:block;
background-size:cover;
}
.contain:hover div{
display:block;
background-size:contain;
}
</style>
</head>
<body>
<h2>background-size不同属性值不同效果</h2>
<ul>
<li class="length">
<h3><a href="">100px 100px</a></h3>
<div></div>
</li>
<li class="percent">
<h3><a href="">50% 50%</a></h3>
<div></div>
</li>
<li class="cover">
<h3><a href="">cover</a></h3>
<div></div>
</li>
<li class="contain">
<h3><a href="">contain</a></h3>
<div></div>
</li>
</ul>
</body>
</html>
1回答
-
好帮手慕星星
2020-02-26
同学你好，代码是正确的。继续加油，祝学习愉快！
0
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