orange-square.html
<!DOCTYPE HTML>
<title>orange square</title>
<style>
div {
width: 200px;
height: 200px;
background: orange;
}
</style>
<div></div>
<!DOCTYPE HTML>
<title>orange square</title>
<style>
div {
width: 200px;
height: 200px;
background: orange;
}
</style>
<div></div>