body {
	background-color: lightgrey;
	text-align: center;
}
header {
	font-size: 36px;
	color: blue;
	margin: 80px;
}
footer {
	margin: 150px;
}
h1 {
	color: #3b3b3b;
}

.a {
	color: red;
	text-decoration: bolt;
	font-size: 24px;
}