The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */
div{
width:100%;
}
.uno{
	flot:left;
	height:100px;
	width:140px;
	background:#f66;
}
.dos{
	flot:left;
	height:100px;
	width:140px;
	background:#c66;
}

dabblet.html

<div>
	<div class="uno">ssdfsdfsd</div>
	<div class="dos">ssdfsdfsd</div> 
</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"separate","fontsize":"90","seethrough":"","prefixfree":"1","page":"all"}