<!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>
body{
margin: 0;
padding: 0;
}
div.page{
height: 100vh;
display: grid;
grid-template-columns: 1fr 4fr;
grid-template-rows: 20px 10fr 20px;
grid-template-areas:
'menu header'
'menu mainContent'
'menu footer'; ;
}
div.header {
background-color: aquamarine;
grid-area: header;
}
div.menu {
background-color: brown;
grid-area: menu;
}
div.mainContent {
background-color: coral;
grid-area: mainContent;
}
div.footer {
background-color: crimson;
grid-area: footer;
}
@media only screen and (max-width: 400px) {
div.page {
grid-template-columns: 1fr;
grid-template-rows: 20px 1fr 4fr 20px;
grid-template-areas:
'header'
'menu'
'mainContent'
'footer';
}
}
</style>
</head>
<body>
<div class="page">
<div class="header">Header</div>
<div class="menu">Menu</div>
<div class="mainContent">MainContent</div>
<div class="footer">Footer</div>
</div>
</body>
</html>