Untitled

dabblet.css

body { background: #f0f0f0; font: 14px/1.4 sans-serif }
div {
	background: white;
	box-shadow: 0 0 4px #aaa;
	width: 480px;
	min-height: 120px;
	margin: 20px auto;
	padding: 16px 16px 0;
}
div div {
	box-shadow: 0 -3px 6px -2px #ccc, inset 0 0 4px white;
	background: #fafaf4;
	margin: 16px -16px 0;
}
div div div {
	background: #faf4f4;
}
hr {
	border: 0;
	background: #ccc;
}

dabblet.html

<div>
	Page 1
	<div>
		Page 2
		<div>
			Page 3
			<hr>
			Lorem ipsum dolor sit amet...
		</div>
	</div>
</div>

settings.json

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