figure caption disappears

dabblet.css

/**
 * figure caption disappears
 */

html
{
	background: hsl(30, 60%, 90%);
}

figure
{
	display: inline-block;
	position: relative;
	width: 24em;
}

img
{
	display: block;
	width: 100%;
}

figcaption
{
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	padding: 0.5em 1em;
	background: hsla(30, 60%, 90%, 0.8);
	clip: rect(0, auto, auto, auto);
	transition: clip 1s ease-in-out 0s;
}

figure:hover figcaption
{
	clip: rect(100vh, auto, auto, auto);
}

figcaption span
{
	font: 1.5em/1.5 Georgia;
	display: block;
}

.name
{
	font-weight: bold;
}

dabblet.html

<figure>
	<img src="http://upload.wikimedia.org/wikipedia/commons/3/38/Leonardo_da_Vinci_-_presumed_self-portrait_-_WGA12798.jpg" alt=""/>
	<figcaption>
		<span class="name">Leonardo da Vinci</span>
		<span class="title">Künstler und Wissenschaftler</span>
	</figcaption>
</figure>

dabblet.js

// alert('Hello world!');

settings.json

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