console
<body>
<header>header</header>
<main>
<nav>nav</nav>
<article>article
</article>
<aside>aside</aside>
</main>
<footer>footer</footer>
</body>
body {
height: 100vh;
}
header,
footer{
height: 50px;
width: 100%;
background-color: #ccc;
border-radius: 20px;
text-align: center;
font-size: 20px;
}
main{
display: grid;
margin: 20px 0;
grid-template-columns: 200px 1fr 200px;
grid-column-gap:20px;
}
article,
aside,
nav {
border-radius: 20px;
background-color: #fff000;
text-align: center;
font-size: 20px;
}