<!DOCTYPE html>
<html lang="en-US">
<head>
<style>
p:nth-child(3){
text-transform: none;
}
p:nth-child(5){
text-transform: capitalize;
}
p:nth-child(7){
text-transform: uppercase;
}
p:nth-child(9){
text-transform: lowercase;
}
</style>
</head>
<body>
<h1>CSS text-transform Property</h1>
<h2>text-transform: none;</h2>
<p>This is a sentence.</p>
<h2>text-transform: capitalize;</h2>
<p>This is a sentence.</p>
<h2>text-transform: uppercase;</h2>
<p>This is a sentence.</p>
<h2>text-transform: lowercase;</h2>
<p>This is a sentence.</p>
</body>
</html>