Untitled

dabblet.css

#primeiro {
	background: red;
	float: left;
}

#segundo {
	background: blue;
	float: left;
	clear: left;
}

#terceiro {
	background: green;
	position: absolute;
	top: 100%;
	left: 0;
}

div { 
	height: 200px; 
	width: 200px; 
	overflow: visible;
	
}

p {
	
}

section {
	position: relative;
	background-color: #ffa;
	overflow: hidden; 
	/*testar ouverflow auto*/
}

dabblet.html

<section>
<div id=primeiro>1loremloremloremloremloremlorem</div>
<div id=segundo>2</div>
<div id=terceiro>3</div>
<!--<img src="http://images6.fanpop.com/image/photos/34000000/v-for-vendetta-v-for-vendetta-34020686-1280-800.jpg" width="400">-->
</section>

settings.json

{"view":"split-vertical","fontsize":"80","seethrough":"","prefixfree":"1","page":"all"}