CodePen

HTML

            
              <!DOCTYPE html>


<html>


  <head>

  	<title>TITLE </title>
		<meta charset="utf-8">
		<link rel="stylesheet" href="style.css">

	</head>

	<body>

		<div id="navigation">
			<ul>
				<li>PAGE</li>
				<li>PAGE</li>
				<li>PAGE</li>
      </ul>
		</div>

	
	
	</body>

</html>  
            
          
!
via HTML Inspector

CSS

            
              body {
  background-image: url(images/blue1.png);
}

#navigation {
  background-image: url(images/bg.jpg) repeat-x;
  height: 50px;
}



            
          
!
? ?
? ?
Must be a valid URL.
+ add another resource
via CSS Lint

JS

            
              
            
          
!
Must be a valid URL.
+ add another resource
via JS Hint
Loading ..................