article { background-color: #fff; padding: 30px;}
#backdrop {background-repeat: no-repeat; background-attachment:fixed; background-position: center; background-size: cover; min-height:800px; height:100%;}
footer, nav {background-color: #2c3e50;}
#email, .email {
	background-color: #fff;
	border-radius: 10px;
	padding: 8px;
	display: inline-block;
	position: fixed;
	width: 50px;
	bottom: 20px;
	right: 20px;
}
@media (prefers-color-scheme:dark) {
	article {
		background: #202b38;
		color: #dbdbdb;
	}
	a {
		color: #8299b1;
	}
}