div float full width

dabblet.css

/**
 * div float full width
 */

html, body {
background: #f06;
background: linear-gradient(45deg, #00f, yellow);
height:100%;
}
div {
	height: 30px;
}
.float {
	background: #fff;
	width: 100px;
	float:left;
}
.fullw {
	background: #000;
	display: block;
}

dabblet.html

<div class="float"></div>
<input class="fullw"/>

settings.json

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