.header-download {
    background-image: url("images/download.jpg");
	background-size: cover;
	box-shadow: inset 0 0 0 1000px rgba(0,0,0,.5);
	grid-column: 1 / -1;
	height: 100vh;
	color: white;
	display: flex;
	flex-direction: column;
}
.header-main {
    background-image: url("images/main.jpg");
	background-size: cover;
	box-shadow: inset 0 0 0 1000px rgba(0,0,0,.5);
	grid-column: 1 / -1;
	height: 100vh;
	color: white;
	display: flex;
	flex-direction: column;
}