#masked {
width: 100px;
height: 100px;
background-color: #8cffa0;
-webkit-mask-image: url(https://mdn.mozillademos.org/files/12676/star.svg);
mask-image: url(https://mdn.mozillademos.org/files/12676/star.svg);
}
.target {
mask: url(#c1) luminance;
}
.anothertarget {
mask: url(resources.svg#c1) 50px 30px/10px 10px repeat-x exclude;
}
<div id="masked"></div>