The first commented line is your dabblet’s title

dabblet.css

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

section { 
	background: gray; 
	max-width: 700px; 
	display: flex;
	flex-flow: row wrap;
}

article { 
	background: #ccc; 
	display: flex;
	flex-flow: column;
}

dabblet.html

<section>
	<article>One</article>
	<article>Two</article>
	<article>Three</article>
	<article>Four</article>
	<article>Five</article>
	<article>Six</article>
</section>

settings.json

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