body {
	display:grid;
	grid-template-columns:1fr;
	grid-template-rows:100px 73px auto 70px;
	gap:6px;
}

header {
	grid-column:1 / 1;
	grid-row:1 / 2;
}

nav {
	grid-column:1 / 1;
	grid-row:2 / 3;
}

main {
	grid-column:1 / 1;
	grid-row:3 / 4;
	min-height:400px;
	padding:50px;
}

footer {
	grid-column:1 / 1;
	grid-row:4 / 5;
}


footer {
	display:grid;
	grid-template-columns: 1fr 1fr;
}

.div1_footer {
	margin:auto;
	column:1/2;
}

.div2_footer {
	margin:auto;
	column:2/3;
}