body {
	margin: 0;
	padding: 0;
	background: black;
	color: white;
	position: relative;
	height: 100vh;
	width: 100vw;
}

#countdown {
	display: block;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
	font-family: 'Helvetica', sans-serif;
	font-weight: bold;
	text-align: center;
	font-size: 24px;
}
@media(min-width: 768px) {
	#countdown {
		font-size: 96px;
	}
}

#sd {
	position: fixed;
	bottom: 30px;
	width: 100%;
}

#sd img {
	opacity: 0.8;
	display: block;
	margin: 0 auto;
	width: 40px;
}

.container {
	width: 100%;
	max-width: 500px;
	margin: 0 auto;
  position: relative;
  top: 50%;
  transform: translateY(-50%);

}

.video-wrapper {
	position: relative;
	padding-bottom: 166.25%; /* 16:9 */
	padding-top: 25px;
	height: 0;
}

.video-wrapper video {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}