<html>
<head>
<style>
#img1 {
filter: contrast(150%);
}
#img2 {
filter: contrast(50%);
}
</style>
</head>
<body>
<h1>The contrast() Function</h1>
<p>contrast(150%):</p>
<img id="img1" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<p>contrast(50%):</p>
<img id="img2" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<p>Original image:</p>
<img src="pineapple.jpg" alt="Pineapple" width="300" height="300">
</body>
</html>