The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */


.grid {w
	width: 100%;
	height: 300px;
	border: 1px solid red;
	background: linear-gradient(90deg, white 1px, white 4px, transparent 0),
				linear-gradient(transparent 1px, transparent 4px, blue 0);
	background-size: 54px 54px;
}

dabblet.html

<div class="grid"></div>

dabblet.js

// alert('Hello world!');

settings.json

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