<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
section {
width: 100%;
margin: 0 auto;
max-width: 800px;
min-width: 500px;
}
section div {
float: left;
width: 50%;
height: 300px;
}
section div:nth-child(1) {
background-color: pink;
}
section div:nth-child(2) {
background-color: blue;
}
</style>
</head>
<body>
<section>
<div></div>
<div></div>
</section>
</body>
</html>
