<!DOCTYPE html>
<html>
<head>
<style>
p {
display: block;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 0;
margin-right: 0;
}
</style>
</head>
<body>
<p>A p element is displayed like this:</p>
<p>This is a paragraph.</p>
<p>Change the default CSS settings to see the effect.</p>
</body>
</html>