<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title></title>
<link rel="stylesheet" type="text/css" href="style.css">
<meta http-equiv="Content-Type">
<style type="text/css">
#aside1 {
position: fixed;
z-index: 101;
width: 200px;
}
.aside234 {
margin-left: 400px;
}
article {
display: block;
float: left;
}
</style>
</head>
<body>
<article id="article" class="aside234">
</article>
<aside id="aside1">
</aside>
</body>
</html>body {
display: flex;
}
#aside1 {
position: fixed
z-index: 101;
max-width: 200px;
overflow: hidden;
}
.aside234 {
margin-left: 400px;
}
