The first commented line is your dabblet’s title

dabblet.css

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

p
{
	margin : 0;
}
section
{
	width : 10em;
}

dabblet.html

<blockquote>
    <section>
       <p>roses are grey,</p>
       <p>violets are grey, too,</p>
       <p>let's go chase cars,</p>
       <p>because i'm a dog and dogs can't distinguish colours, it's true, look it up.</p>
    </section>
</blockquote>

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}