body {
	font-family: sans-serif;
	line-height: 1.75em;
	background-color: #222;
	color: #aaa;
}

.content {
  grid-row: 2;
  grid-column: 3;
  background-color: #111;
  border: 1px solid grey;
  padding: 20px;
}

.main-footer {
  grid-row: 3;
  grid-column: 3;
  text-align: center;
}