html, body {
	background-image: 
		linear-gradient(black 0%, rgba(0, 0, 0, 0.5) 0.1%, rgba(0, 0, 0, 0.0) 10%, rgba(0, 0, 0, 0.0) 90%, rgba(0, 0, 0, 0.5) 99.9%, black 100%),
		linear-gradient(0.25turn, black 0%, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.0) 10%, rgba(0, 0, 0, 0.0) 90%, rgba(0, 0, 0, 0.5) 99.9%, black 100%),
		url("img/background.png");
	padding: 0;
	margin: 0;
	background-color: #202020;
	color: white;
	font-family: "Mechanical";
	overflow-x: hidden;
}

h1, h2, h3 {
	font-family: "Arizone";
}

h3 {
	font-size: 1.0rem;
}

h1 {
	font-size: 150px;
	margin-bottom: 0;
}

.heading {
    width: 90%;
	text-align: center;
	margin-bottom: 100px;
}

#heading {
    text-align: center;
    position: relative;
    left: 10px;
}

@media only screen and (max-width: 700px) {
	h1 {
		font-size: 90px;
	}
}

body {
	display: flex;
	flex-direction: column;
	align-items: center;
	line-height: 2;
}

.section {
	width: 90%;
	max-width: 840px;
	margin: 0 20px 100px 20px;
	text-align: justify;
	box-sizing: border-box;
}

.section .image {
	width: 100%;
	text-align: center;
	margin: 0;
}

.section .image img {
	max-width: 90%;
}

.section .special-image-because-it-cannot-be-simple img {
	max-width: 70%;
}

.section .special-image-because-it-cannot-be-simple-2 img {
	width: 60%;
}

.section-header {
	text-align: center;
	top: 0;
}

.section-header > h2 {
	font-size: 1.2rem;
	display: inline-block;
	padding: 0 0.5rem;
	border-bottom: 1px solid white;
	width: 100%;
	-webkit-hyphens: auto;
	hyphens: auto;
	box-sizing: border-box;
}

.expandable > .section-header {
	position: relative;
	cursor: pointer;
}

.expandable > .section-header > h2 {
	width: 100%;
	border-top: 1px solid white;
	padding-left: 60px;
	box-sizing: border-box;
}

.expandable > .section-header > h2::before {
	display: block;
	content: "➤";
	position: absolute;
	left: 2rem;
	transform: translateY(-3px);
	transition: 0.5s;
}

.expandable > .section-body {
	max-height: 0rem;
	overflow: hidden;
	transition: 0.5s ease-out;
}

.expanded > .section-header > h2::before {
	transform: rotate(90deg);
}

.expanded > .section-body {
	max-height: 1000rem;
	transition: 0.5s ease-in;
	border-bottom: 1px solid white;
}

audio {
	width: 100%;
}

.burger {
	position: fixed;
	left: 0;
	top: 0;
	font-family: "Arizone";
	font-size: 2.5rem;
	line-height: 50px;
	z-index: 2;
}

.burger > span {
	cursor: pointer;
	display: block;
	background-color: rgba(0, 0, 0, 0.8);
	padding: 0.5rem 0.2rem 0.5rem 0.9rem;
	width: 50px;
	transition: .2s;
}

.burger > span::after {
	content: "X";
}

.collapsed-burger > span::after {
	content: "E";
}

.menu {
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1;
	padding-top: 4.5rem;
	padding-bottom: 1rem;
	background-color: black;
	transition: .2s;
	width: 100vw;
	max-width: 300px;
}

.menu > a {
	padding: 0.2rem 1rem;
	font-size: 1.3rem;
	transition: .2s;
	display: block;
	cursor: pointer;
	color: white;
	text-decoration: none;
}

.menu > a:hover {
	background-color: #333333;
}

.collapsed-menu {
	left: -110%;
}


@media only screen and (max-width: 700px) {
	.menu {
		max-width: 100vw;
		height: 100vh;
		text-align: center;

	}

	.burger > span {
		padding-left: 0.5rem;
	}
}

.overview-image-container {
	position: relative;
	top: -150px;
}

.overview-image {
	max-width: 1000px; 
	max-height: 50rem; 
	left: calc(50% - 400px + 150px); 
	position: absolute;
}

@media only screen and (max-width: 800px) {
	.overview-image {
		left: calc(120px); 
	}
}

.iframe {
	text-align: center;
}

iframe {
	border-radius: 10px;
	height: 500px;
	width: 100%;
	max-width: 800px;
}