liquid sidebar with centered content prototype

dabblet.css

/* liquid sidebar with centered content prototype */

body {
	font: 24px Arial, sans-serif;
}

.a {
	margin: 3em auto 0;
	max-width: 22em;
	box-shadow: 0 0 0 1px lime;
}

.b {
	max-width: 10em;
	margin: 0 6em 0 auto;
	box-shadow: 0 0 0 1px red;
}

/* Context prototype */

.context {
	display: inline;
}

.context__item {
	display: inline;
	color: inherit;
	text-decoration: none;
}

.context__item:after {
	content: "*";
	font: 11px/1 Verdana, sans-serif;
	position: relative;
	bottom: 1ex;
	color: rgba(0,0,0,0.5)
}

.context__content {
	float: right;
	clear: right;
	width: 5em;
	margin: 0 -6em 1em 1em;
	box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
}

.context:hover > .context__item:not(:hover),
.context__item:hover + .context__content,
.context__content:target {
	background: yellow;
}

.context__item::-webkit-details-marker {
	display:none;
}

dabblet.html

<div class="a">
	<div class="b">
		<p>
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
tempor
<!-- BTW, I wanted to use `details > summary` here,
     but with no luck, see
     http://www.mail-archive.com/whatwg@lists.whatwg.org/msg26129.html
 -->
<span class="context"
	><a class="context__item" href="#incididunt">incididunt</a
	><span class="context__content" id="incididunt">
		Something here
	</span
></span>
ut
<span class="context"
	><a class="context__item" href="#labore">labore</a
	><span class="context__content" id="labore">
		Another thing here
	</span
></span>

et dolore magna aliqua. Ut enim ad minim veniam,
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
		</p>
	</div>
</div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"css"}