<!DOCTYPE html>
<html>
<head>
<style>
.masked {
background: green;
border: 30px solid blue;
padding: 20px;
-webkit-mask-image: url(img_circle.svg);
mask-image: url(img_circle.svg);
mask-size: 50%;
mask-repeat: no-repeat;
}
.mask1 {
mask-origin: border-box;
}
.mask2 {
mask-origin: content-box;
}
.mask3 {
mask-origin: padding-box;
}
.mask4 {
mask-origin: fill-box;
}
</style>
</head>
<body>
<h1>The mask-origin Property</h1>
<h3>Set mask-origin: border-box:</h3>
<div class="masked mask1">
<img src="img_5terre.jpg" alt="Cinque Terre" width="600" height="400">
</div>
<h3>Set mask-origin: content-box:</h3>