.transparent {
	background:
		linear-gradient(45deg, rgba(0, 0, 0, 0.1) 25%, transparent 25%),
		linear-gradient(135deg, rgba(0, 0, 0, 0.1) 25%, transparent 25%),
		linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, 0.1) 75%),
		linear-gradient(135deg, transparent 75%, rgba(0, 0, 0, 0.1) 75%), white;
	background-size: 49px 49px;
	background-position:
		0 0,
		24.5px 0,
		24.5px -24.5px,
		0px 24.5px;
}

video {
	max-width: 100%;
}

p.tr-centered {
	text-align: center;
}