body{
	margin: 0;
	padding: 0;
	display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(2, 50vh);
}

section{
	display: grid;
	justify-content: center;
	align-items: center;
}

#alfa{
	background-color: #e60000;
}

#bravo{
	background-color: #00b300;
}

h1{
    font-size: 2em;
}

a{
	color: #1a1a1a;
	text-decoration: none;
}
a:focus,
a:hover{
	color: #404040;
	text-decoration: underline;
}

/* MEDIA */
@media (min-width: 40em){
	body{
		grid-template-columns: repeat(2, 1fr);
        grid-template-rows: 100vh
	}
}