<!doctype html>
<html>
<head>
<style>
div {
background-color: green;
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
<!doctype html>
<html>
<head>
<style>
div {
background-color: green;
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>