pattern overlay

index.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">	
		<title>Pattern Overlay</title>
		<meta name="robots" content="noindex, nofollow">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<link rel="stylesheet" href="styles.css">	
	</head>

	<body>

		<header>

			<h1>Pattern Overlay</h1>

		</header> 

		<div class="wrapper">

			<div class="container">

				<div class="overlay">

    			<span></span>
				</div>

			</div> <!-- .container-->

		</div> <!-- .wrapper-->

		<footer>

			<small><a href="https://opensource.org/licenses/MIT">MIT</a></small>

		</footer> 

	</body>

</html>

styles.css

body {
	background: #eeeeee;
	font-size: 16px;
	font-family: "Trebuchet MS", Helvetica, sans-serif;
	margin:0;
}

a {
	color:crimson;
	text-decoration:none;
}

a:hover {
	color:red;
}

/* Layout
------------------------------------------*/

header,
.container,
footer {
	margin: 0 auto;
	width:88%;
	max-width: 1080px;
}

.wrapper {
	padding:1em 0;
	background: #ffffff;	
}

/* Image overlay
------------------------------------------*/

.overlay {
    background:url(images/cosmic-thing.jpg) no-repeat;
    background-position:50% 50%;
    background-size:cover;
    max-width:800px;
    height:600px;
}

.overlay span {
    background:url(images/pattern.png);
    width:100%;
    height:100%;
    display:block;
}