Untitled

dabblet.css

**
 * attr()
 */

html {
	background: #f06;
	background: linear-gradient(45deg, #f06, yellow);
	min-height: 100%;
}

.increds {
	background-image: url('https://i.giphy.com/media/dJGYFScvBjfRabiH7m/giphy.gif');
	background-size: attr(data-bgsize);
	width: 300px;
	height: 200px;
}

dabblet.html

<div class=increds data-bgsize="cover"></div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}