<!DOCTYPE html>
<html>
<head>
<title>CSS Grid</title>
<style type="text/css">
.wrapper {
display: grid;
grid-template-columns: 1fr 5fr 2fr;
grid-template-rows: 5fr 20fr 5fr;
grid-gap: 10px;
height: 720px;
}
header {
grid-column-start: 1;
grid-column-end: 4;
}
footer {
grid-column-start: 1;
grid-column-end: 4;
}
.wrapper * {
background: orange;
display: flex;
justify-content: center;
align-items: center;
margin-bottom: 1px;
margin-right: 1px;
}
</style>
</head>
<body>
<div class="wrapper">
<header class="items">HEADER</header>
<nav class="items">NAV</nav>
<div class="items contents">CONTENTS</div>
<aside class="items">SIDEBAR</aside>
<footer class="items">FOOTER</footer>
</div>
</body>
</html>
a