<!DOCTYPE html>
<html>
<head>
<style>
.mask1 {
-webkit-mask-image: linear-gradient(black, transparent);
mask-image: linear-gradient(black, transparent);
}
.mask2 {
-webkit-mask-image: radial-gradient(circle, black 50%, rgba(0, 0, 0, 0.5) 50%);
mask-image: radial-gradient(circle, black 50%, rgba(0, 0, 0, 0.5) 50%);
}
.mask3 {
-webkit-mask-image: radial-gradient(black 50%, rgba(0, 0, 0, 0.5) 50%);
mask-image: radial-gradient(black 50%, rgba(0, 0, 0, 0.5) 50%);
}
</style>
</head>
<body>
<h1>The mask-image Property</h1>
<h3>An image with a mask layer (from top to bottom):</h3>
<div class="mask1">
<img src="img_5terre.jpg" alt="Cinque Terre" width="600" height="400">
</div>
<h3>An image with a mask layer (a circle):</h3>
<div class="mask2">
<img src="img_5terre.jpg" alt="Cinque Terre" width="600" height="400">
</div>
<h3>An image with a mask layer (an ellipse):</h3>
<div class="mask3">
<img src="img_5terre.jpg" alt="Cinque Terre" width="600" height="400">