<!DOCTYPE html>
<html>
<head>
<style>
div + p {
background-color: yellow;
}
</style>
</head>
<body>
<div>
<p>Paragraph 1 in the div.</p>
<p>Paragraph 2 in the div.</p>
</div>
<p>Paragraph 3. Not in a div.</p>
<p>Paragraph 4. Not in a div.</p>
</body>
</html>