body {
	font-family: sans-serif;
	--color-orange: #D76633;
	--color-grey: #ddd;
	--color-black: #333;
	--color-white: #eee;
	background-color: var(--color-white);
	margin: 0;
}

body, html { overflow-x: hidden; }

html {
	position: relative;
	min-height: 100%;
}

body > :not(.full-width), .centered {
	max-width: 960px;
	margin: auto;
}

header img {
	height: 30px;
}

.hidden { display: none; }

#tent > * {
	margin: 0px;
}

#page_content {
	padding: 30px;
	margin-bottom: 10px;
}

#page_content img {
	width: 100%;
}

[disabled] {
	color: grey;
}

[disabled]:hover {
	color: grey;
	cursor: not-allowed;
}

.full-width {
	width: 100%;
}

#slideshow_div:not(.hidden) {
	width: 200%;
	display: flex;
}

#slideshow_div > img {
	width: 50%;
	object-fit: cover;
}

@media (min-width: 640px) {
	#slideshow_div > img { height: 300px; }
}

@media (max-width: 640px) {
	#slideshow_div > img { height: 100px; }
}

#slideshow_div > img:first-child {
	animation-duration: 1s;
	animation-fill-mode: forwards;
}

#slideshow_div > img:nth-child(n+3) {
	display: none;
}

@keyframes slideshow_reduce {
  from { width: 50%; }
  to { width: 0%; }
}

.footer {
	background-color: var(--color-black);
	color: var(--color-white);
	position: absolute;
	bottom: 0;
	display: flex;
	justify-content: center;
}

.footer a {
	text-align: center;
	margin: 5px;
}

@media (max-width: 640px) {
	#logo_arcur {
		margin: 10px;
		width: 100%;
	}
}

@media (min-width: 640px) {
	#logo_arcur {
		margin: 50px auto;
	}
}

nav > ul a, nav > div > :not(:first-child) {
	padding: 5px;
}

img, a {
	display: block;
}

li {
	list-style-type: disc;
}

nav li {
	list-style-type: none;
}

nav ul {
	padding-left: 0;
}

nav {
	position: relative;
}

@media (max-width: 640px) {

	header ul:not(.shown-mobile) {
		display: none;
	}

	nav > div, nav li > a, nav div > a {
		line-height: 30px;
	}

	nav div, nav li > a {
		border-top: 1px solid var(--color-grey);
	}

	nav div > a:last-child {
		font-size: 30px;
	}

	nav > div > :first-child {
		padding: 5px;
	}
}

@media (min-width: 640px) {
	.mobile-btn {
		display: none;
	}

	#mini_logo {
		position: absolute;
		left: -100px;
	}
}

nav > ul > li > ul {
	width: 100%;
	flex-direction: column;
	align-items: stretch;
	background-color: var(--color-white);
}

@media (min-width: 640px) {
	nav > ul > li {
		flex-basis: 100%;
	}

	nav > ul > li > ul {
		display: none;
		position: absolute;
		overflow: hidden;
		border-radius: 0px 0px 5px 5px;
	}
}

nav > ul {
	display: flex;
	align-items: stretch;
	width: 100%;
}

@media (max-width: 640px) {
	nav > ul {
		flex-direction: column;
		margin: 0px;
	}
}

nav > ul > li {
	position: relative;
}

nav a.shown-mobile {
	padding-right: 10px;
	padding-left: 10px;
	border-left: 1px solid var(--color-grey);
}

@media (max-width: 640px) {
	nav div {
		display: flex;
	}

	nav div > :first-child {
		margin-left: 5px;
	}

	nav > ul div > a:first-child {
		flex-grow: 1;
	}

	nav div > a:first-child:last-child {
		flex-grow: 1;
	}

	nav > div > a {
		text-align: right;
	}

	nav > div > a:last-child {
		text-align: right;
		flex-grow: 1;
	}
}

/*nav */a {
	color: var(--color-orange);
	text-decoration: none;
}

nav > a, nav > ul > li > ul > li a {
	text-align: center;
	border-radius: 0px;
}

@media (min-width: 640px) {
	nav > ul > li a:hover {
		background-color: var(--color-grey);
		color: var(--color-orange);
	}

	nav > ul > li:hover > ul {
		display: flex;
	}

	nav > ul div > a {
		text-align: center;
		border-radius: 5px 5px 0px 0px;
	}
}

nav > ul > li > ul > li > a {
	display: block;
}