07.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Random backgrounds</title>
<link rel="stylesheet" href="css/style.css" />
<style media="screen">
div {
  vertical-align: middle;
  display: inline-block;
  width: 1200px;
  height: 300px;
  background: hsl(20, 40%, 90%);
  background-image:
    linear-gradient(90deg, #fb3 11px, transparent 0),
    linear-gradient(90deg, #ab4 23px, transparent 0),
    linear-gradient(90deg, #655 41px, transparent 0);
  ;
  background-size: 41px 100%, 61px 100%, 83px 100%;
}
</style>
</head>
<body>

<div></div>
<p>Prime numbers for seeming randomness in repeating backgrounds.</p>
</body>
</html>