<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
padding:0;
margin:0;
}
.box {
background-color: #444;
color: #fff;
padding: 20px;
}
.header,
.footer {
background-color: #999;
}
.sidebar2 {
background-color: #ccc;
color: #444;
}
.sidebar {
grid-area: sidebar;
}
.sidebar2 {
grid-area: sidebar2;
}
.content {
grid-area: content;
}
.header {
grid-area: header;
}
.footer {
grid-area: footer;
}
@media only screen and (min- 400px) {
.wrapper {
display: grid;
grid-template-columns: 80px 10px auto;
grid-template-rows: auto;
grid-template-areas:
"header header header"
"sidebar . content"
"sidebar2 sidebar2 sidebar2"
"footer footer footer";
}
}
@media only screen and (min- 700px) {
.wrapper {
display: grid;
grid-template-columns: 100px 20px auto 20px 100px;
grid-template-rows: auto;
grid-template-areas:
"header header header header header"
"sidebar . content . sidebar2"
"footer footer footer footer footer";
}
}
</style>
</head>
<body>
<div class="wrapper">
<div class="box header">Header</div>
<div class="box sidebar">Sidebar</div>
<div class="box sidebar2">Sidebar 2</div>
<div class="box content">
<h2>Content</h2>
<p>More content than we had before so this column is now quite tall.</p>
</div>
<div class="box footer">Footer</div>
</div>
</body>
</html>