<!DOCTYPE html>
<html>
<head>
<style>
#img1 {
filter: grayscale(1);
}
#img2 {
filter: grayscale(60%);
}
#img3 {
filter: grayscale(0.4);
}
</style>
</head>
<body>
<h1>The grayscale() Function</h1>
<p>grayscale(1):</p>
<img id="img1" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<p>grayscale(60%):</p>
<img id="img2" src="pineapple.jpg" alt="Pineapple" width="300" height="300">
<p>grayscale(0.4):</p>
<img id="img3" 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>