<!DOCTYPE html>
<html>
<head>
<title>IAD</title>
</head>
body, html {
  height: 100%;
}

.bg {
  /* The image used */
background-image: url("IAD.jpg");

  /* Full height */
height: 100%;

  /* Center and scale the image nicely */
background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
</html>