Background Size Scale Stretch Image
Learn to create backgrounds for HTML documents that scale and stretch to fit into the user screen regardless of the type of device they are viewing your page with.
<!DOCTYPE html>
<html>
<head>
<style>
body {
background:url(dynamic_width_bg.jpg) #A98436 no-repeat left top;
background-size: 100%;
}
</style>
</head>
<body>
<h1>My page with 100% width background image</h1>
</body>
</html>