This article mainly introduces the positioning fixed example code in html. Students who are interested in html tutorials can refer to it.
<html>
<head>
<title>123</title>
<style>
#sub1{
width:50px;
height:80px;
border:1px solid #dcdcdc;
}
#sub2{
position:fixed;
top:250px;
right:20px;
width:50px;
height:80px;
border:1px solid #dcdcdc;
margin-top:5px;
}
#sub3{
width:250px;
height:880px;
border:1px solid #dcdcdc;
margin-top:5px;
}
</style>
</head>
<body>
<p id="parent">
<p id="sub1">sub1</p>
<p id="sub2">sub2</p>
<p id="sub3">sub1</p>
</p>
</body>
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