body {
	width: 100%;
	min-height: 600px;
	height: 100%;
	padding: 0;
	margin: 0;
}

#starter {
	z-index: 10000;
	position: absolute;
	top: 50%;
	left: 50%;
	width: 300px;
	height: 50px;
	margin-top: -25px;
	margin-left: -150px;
	text-align: center;
	font-size: 2em;
	font-weight: 600;
	cursor: pointer;
}

#scene {
	position: absolute;
	top: -20px;
	left: -20%;
	width: 140%;
	height: 120%;
	overflow: hidden;
	/*top: 50%;
	left: 50%; */
	/*margin-top: -300px;
	margin-left: -600px;*/
	background-color: rgb(0,0,0);
	box-shadow: 0 0 0 2px white inset;
}
#curtain {
	/*top: 0;
	left: 0;
	width: 100%;
	height: 100%;*/
	background: transparent;
}

#curtain .left,
#curtain .right {
	position: absolute;
	z-index: 2000;
	top: 0;
	width: 50%;
	height: 100%;
	filter: brightness(120%);
	background-image: url("red-curtains.png");
	background-size: cover;
	background-repeat: no-repeat;
}

#curtain .left {
	left: 0;
	transform-origin: top right;
}
#curtain .right {
	left: 50%;
	transform-origin: top left;
}

.ground {
	position: absolute;
	left: 50%;
	top: 133%;
	width: 10000px;
	height: 10000px;
	margin-left: -5000px;
	border-radius: 100%;
	box-shadow: 0 0 100px 100px white;
}

#scene h1 {
	position: absolute;
	left: 50%;
	top: 50%;
	display: block;
	width: 500px;
	height: 150px;
	margin-top: -90px;
	margin-left: -250px;
	text-align: center;
	font-family: 'Open Sans', sans-serif;
	font-size: 10em;
	color: white;
	transform: scale(0.75);
	opacity: 0;
}

/* **********
	opening
********** */

#scene.expand {
	/*width: 140%;
	left: -20%;*/
	margin-left: 0;
	background-color: rgb(32,32,32);
	box-shadow: 0 0 0 0 white inset;
	animation-fill-mode: forwards;
	animation-name: expand-scene-horizontaly /*, expand-scene-verticaly;*/
	animation-duration: 2.5s, 1.5s;
	animation-timing-function: ease-in-out, ease-in-out;
	animation-delay: 0s, 2.5s;
	animation-iteration-count: 1, 1;
	animation-direction: normal, normal;
}

#curtain.open .left,
#curtain.open .right {
	filter: brightness(100%);
}
#curtain.open .left {
	animation-fill-mode: forwards;
	animation-name: curtain-opening, left-curtain-opening;
	animation-duration: 2s, 4s;
	animation-timing-function: ease-in-out, ease-in-out;
	animation-delay: 0s, 0s;
	animation-iteration-count: 1, 1;
	animation-direction: normal, normal;
}
#curtain.open .right {
	animation-fill-mode: forwards;
	animation-name: curtain-opening, right-curtain-opening;
	animation-duration: 2s, 4s;
	animation-timing-function: ease-in-out, ease-in-out;
	animation-delay: 0s, 0s;
	animation-iteration-count: 1, 1;
	animation-direction: normal, normal;
}

#scene.expand .ground {
	animation-fill-mode: forwards;
	animation-name: ground-rising;
	animation-duration: 6s;
	animation-timing-function: ease-out;
	animation-delay: 0s;
	animation-iteration-count: 1;
	animation-direction: normal;
}

#scene.expand h1 {
	animation-fill-mode: forwards;
	animation-name: text-zoom, text-fade-in, text-glowing;
	animation-duration: 5s, 1s, 1s;
	animation-timing-function: ease-out, ease-in-out, ease-in-out;
	animation-delay: 3s, 3s, 0s;
	animation-iteration-count: 1, 1, infinite;
	animation-direction: normal, normal, alternate;
}

.fade-out {
	animation-fill-mode: forwards;
	animation-name: fade-out;
	animation-duration: 1s;
	animation-timing-function: ease-in;
	animation-delay: 0s;
	animation-iteration-count: 1;
	animation-direction: normal;
}

/* **********
	animations
********** */

@keyframes expand-scene-horizontaly { /* 2.5
	s */
	from {
		width: 100%;
		left: 0%;
		/*margin-left: -600px;*/
		background-color: rgb(0,0,0);
		box-shadow: 0 0 0 2px white inset;
	}
	to {
		width: 100%;
		left: 0%;
		/*margin-left: 0;*/
		background-color: rgb(32,32,32);
		box-shadow: 0 0 0 0 white inset;
	}
}

@keyframes expand-scene-verticaly { /* 1.5s */
	from {
		top: 50%;
		height: 600px;
		margin-top: -300px;
	}
	to {
		top: 0;
		height: 100%;
		margin-top: 0;
	}
}

@keyframes curtain-opening { /* 2s */
	from { filter: brightness(120%); }
	to { filter: brightness(100%); }
}

@keyframes left-curtain-opening { /* 4s */
	from { transform: translate(0) rotate(0) scale(1,1); }
	to { transform: translate(-100%) rotate(20deg) scale(0,2); }
}

@keyframes right-curtain-opening { /* 4s */
	from { transform: translate(0) rotate(0) scale(1,1); }
	to { transform: translate(100%) rotate(-20deg) scale(0,2); }
}

@keyframes ground-rising {
	from { top: 133%; }
	to { top: 105%; }
}

@keyframes text-zoom {
	from { transform: scale(0.75); }
	to { transform: scale(1); }
}

@keyframes text-fade-in {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes text-glowing {
	from { text-shadow: 0 0 10px white; }
	to { text-shadow: 0 0 10px white, 0 0 20px white, 0 0 30px dodgerblue; }
}

@keyframes fade-out {
	from { color: black; opacity: 1; }
	to { color: white; opacity: 0; }
}