We would like to know how to background-size: 100%;.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
body {<!-- w ww. j a v a 2 s. c om-->
background: transparent url('http://placehold.it/200x200');
background-repeat: no-repeat;
background-size: 100%;
}
</style>
</head>
<body>lol
</body>
</html>
The code above is rendered as follows: