2-10编程练习
来源:2-10 编程练习
qq_紾悕_1
2018-11-08 20:10:46
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
/*完善下列代码*/
.per{
position:relative;
width: 300px;
height: 300px;
background: red;
margin-left:200px;
margin-top: 200px;
}
.son{
position:absolute;
width: 100px;
height: 100px;
background: blue;
top:0;
left:0;
right:0;
bottom:0;
margin: auto auto;
}
</style>
</head>
<body>
<div class="per">
<div class="son"></div>
</div>
</body>
</html>
1回答
妮可妮可妮_
2018-11-09
测试了你的代码,效果可以实现
继续加油!
相似问题