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Mask-image / css variables

CSS CSS trick

demo.html Raw # 

<!--

https://jsbin.com/takokelege/4/edit?html,css,output
https://jsbin.com/yajeriteja/edit?html,css,output
-->
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
	
	
	<h3>Original</h3>
	<svg width="30" height="30" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 166 166"><polygon  points="83 26.8 65.7 61.8 27.1 67.4 55 94.7 48.5 133.2 83 115 117.5 133.2 111 94.7 138.9 67.4 100.3 61.8 83 26.8 83 26.8"/></svg>
	
	<h3>Variants with image-mask</h3>
	<div class="masked"></div>
	<div class="masked" style="--color: #FF00FF"></div>
	<div class="masked" style="--color: #00FF00"></div>
	
	<hr />
	
	
		<h1>Original</h1>
	<img src="https://i.pravatar.cc/400?img=70" alt="">
	
	
	<h1>Masked</h1>
	<div class="mask">
		<img src="https://i.pravatar.cc/400?img=70" alt="">
	</div>
	
	<hr>
	
	<div class="mask2">
		<img src="https://picsum.photos/id/237/600/400" alt="">
	</div>
	
	<div class="mask3">
		<img src="https://picsum.photos/id/237/600/400" alt="">
	</div>
	
	
	

</body>
</html>

app.css Raw # 

.masked {
  width: 100px;
  height: 100px;
  background-color: var(--color, #FF0000);
  -webkit-mask-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 166 166"><polygon  points="83 26.8 65.7 61.8 27.1 67.4 55 94.7 48.5 133.2 83 115 117.5 133.2 111 94.7 138.9 67.4 100.3 61.8 83 26.8 83 26.8"/></svg>');
 
}


/* URL jedine takto, jinak interpolace v URL nefunguje! */
:root {
  --url: url("https://download.unsplash.com/photo-1420708392410-3c593b80d416");
}

body {
  background: var(--url);
}



.mask img {
	
	-webkit-mask-image: url("https://cdn.rjwebdesign.cz/smile.png");
	-webkit-mask-repeat: no-repeat;
  	-webkit-mask-position: center;
  	-webkit-mask-size: 100%;
}

.mask2 img {
	-webkit-mask-image: linear-gradient(#000, transparent);
}

.mask3 img {
	-webkit-mask-image: linear-gradient(#000 50%, transparent 50%);
}

look.md Raw #