Untitled

<!DOCTYPE html>
<html>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="script.js"></script>
  </head>

  <body>
    <h1>Background Image</h1>
  </body>

</html>

// Code goes here

body {
  background-image: url(https://images.pexels.com/photos/255379/pexels-photo-255379.jpeg?auto=compress&cs=tinysrgb&h=350);
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}

/*html {*/
/*  background-image: url(https://images.pexels.com/photos/255379/pexels-photo-255379.jpeg?auto=compress&cs=tinysrgb&h=350);*/
/*  background-repeat: no-repeat;*/
/*  background-size: cover;*/
/*  background-attachment: fixed;*/
/*}*/