老师麻烦帮我检查下
来源:2-14 编程练习
豆包侠
2021-08-19 17:47:29
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
margin: 0;
padding:0;
}
.test{
width: 800px;
height: 100px;
background: red;
position:fixed;
top:0;
left:25%;
}
.out{
width: 100%;
height: 2000px;
background-color: #abcdef;
}
</style>
</head>
<body>
<div class="out">
<div class="test"></div>
</div>
</body>
</html>
1回答
好帮手慕星星
2021-08-19