Untitled

dabblet.css

.test {
	position: relative;
	width: 500px;
	height: 5em;
	background: #fcc;
	border: solid 1px red;
}
.test .parent {
	position: absolute;
	left: 0;
	top: 0;
	right: 20%;
	background: #ccf;
}
.test .parent input {
	width: 100%;
}

dabblet.html

<div class="test">
	<div class="parent">
		<input type="text">
	</div>
</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}