/* Transparent texture backgrounds from https://www.transparenttextures.com/ */

:root
{
	--transparent-checkerboard-size: 2.5em;
	--checkerboard-bg: rgba(200, 200, 200, 0.2);
	--figcaption-bg-size: 13em;
	--figcaption-bg-position-y: 0.7em;
}

html, body { min-height: 100vh; font-size: 100%; }
body
{
	display: flex;
	flex-direction: column;
	margin: 0;
	
	font-family: sans-serif;
	
	background: url('/!images/Background-Texture.png'),
		/* Adapted from http://www.webcore-it.com/colorful-background */
		linear-gradient(45deg, hsla(30, 92%, 46%, 1) 0%, hsla(30, 92%, 46%, 0) 70%),
		linear-gradient(135deg, hsla(330, 96%, 50%, 1) 10%, hsla(330, 96%, 50%, 0) 80%),
		linear-gradient(225deg, hsla(30, 96%, 45%, 1) 10%, hsla(30, 96%, 45%, 0) 80%),
		linear-gradient(315deg, hsla(5, 91%, 42%, 1) 100%, hsla(212, 98%, 48%, 0) 70%);
}

h1
{
	margin: 0; padding: 1em;
	
	text-align: center;
	font-weight: lighter;
	color: white;
	
	background: rgba(75, 75, 75, 0.4);
}

main
{
	flex: 1;
	width: 100%;
	text-align: center;
	line-height: 0.8em;
	
	/*background: rgba(75, 75, 75, 0.4);*/
	/*background: rgba(125, 125, 125, 0.4);*/
}

.preview-backdrop
{
	width: 15em; height: 10em;
	display: inline-block;
	padding: 0;
	
	background-color: #eee;
	background-image:
		linear-gradient(45deg, var(--checkerboard-bg) 25%, transparent 25%, transparent 75%, var(--checkerboard-bg) 75%, var(--checkerboard-bg)),
		linear-gradient(45deg, var(--checkerboard-bg) 25%, transparent 25%, transparent 75%, var(--checkerboard-bg) 75%, var(--checkerboard-bg));
	background-size: var(--transparent-checkerboard-size) var(--transparent-checkerboard-size);
	background-position: 0 0, calc(var(--transparent-checkerboard-size) / 2) calc(var(--transparent-checkerboard-size) / 2);
}

figure
{
	position: relative;
	width: 15em; height: 10em;
	display: inline-block;
	margin: 0;
	overflow: hidden;
	
	background-size: cover;
	background-position: center center;
}

figcaption
{
	position: absolute; bottom: 0; left: 0; right: 0;
	padding: 0.2em;
	
	text-align: center;
	line-height: 1em;
	color: rgba(255, 255, 255, 0.3);
	
	background-image: url('/!images/Background-Caption.png');
	background-color: rgba(10, 10, 10, 0.2);
	background-size: var(--figcaption-bg-size) var(--figcaption-bg-size);
	background-position: 0 var(--figcaption-bg-position-y);
	
	transition: all 0.25s;
}
figure:hover figcaption
{
	color: white;
	background-color: rgb(25, 25, 25);
}

footer
{
	padding: 1em;
	
	text-align: center;
	color: white;
}

footer img
{
	vertical-align: middle;
}