:root {
	--dark-color: #0b3954;
	--mid-color: #0b669c;
	--light-color: #d3dce0;
}

a:link, a:visited, a:active {
  color: blue;
  background-color: transparent;
  text-decoration: none;
}
a:hover {
	text-decoration: underline;
}

body {
	font-family: Arial, sans-serif;
	display: flex;
	flex-direction: column;
	align-items: center;
	margin: auto;
	background-color: var(--light-color);
	width: 850px;
	overflow-y: scroll;
}






.header img {
	width: 100%;
	height: auto;
}

.centered-header {
	text-align: center;
	margin-top: 5px;
	margin-bottom: 10px;
	color: var(--dark-color);
}
.header {
	margin-top: 5px;
	margin-bottom: 10px;
	color: var(--dark-color);
}






.nav {
	display: flex;
	gap: 10px;
	margin: 10px 0;
	align-items: center;
	justify-content: center;
}
.nav a {
	padding: 10px;
	background-color: var(--dark-color);
	color: white;
	border-radius: 5px;
	border: 2px solid var(--dark-color);
}
.nav a.active {
	color: var(--dark-color);
	border-radius: 5px;
	background-color: #e4ecf0;
	border: 2px solid var(--dark-color);
}
.nav a.external {
	color: var(--dark-color);
	border-radius: 5px;
	background-color: var(--light-color);
	border: 0px;
}

.nav-year {
	display: flex;
	gap: 10px;
	margin-top: -10px;
	margin-bottom: 10px;
	align-items: center;
	justify-content: center;
}
.nav-year a {
	padding: 5px;
	background-color: #e4ecf0;
	color: black;
	border-radius: 5px;
}
.nav-year a.active {
	background-color: var(--dark-color);
	color: white;
}






.content {
	width: 100%;
	display: flex;
	flex-direction: column;
	gap: 20px;
	background-color: white;
	border-radius: 10px;
	padding: 20px 0px;
}

.content-item {
	position: relative;
	display: flex;
	border: 2px solid black;
	border-radius: 5px;
	gap: 10px;
	margin: auto;
	text-align: justify;
	justify-content: left;
	
	width: 90%;
	padding: 15px 15px;	/* top/bottom, left/right */
}
/* .content-item img { */
	/* width: auto; */
	/* height: 150px; */
/* } */
.content-item img {
	width: auto;
	height: 150px;
}






/* Gallery */
.gallery {
	position: relative;
	width: 90%;
	height: 800px;
	margin: auto;
	display: flex;
	justify-content: center;   /* Center horizontally */
	align-items: center;       /* Center vertically */
	text-align: center;
}

.gallery-item {
	display: none;
	text-align: center;
	width: 90%;
	height: 90%;
	margin: auto;
}

.gallery-item img {
	max-height: 90%;
	max-width: 90%;
	border-radius: 3px;
}


button {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	background-color: var(--dark-color);
	color: white;
	font-size: 24px;
	padding: 10px;
	cursor: pointer;
	z-index: 10;
}

button:hover {
	background-color: var(--mid-color);
}

.prev {
	left: 0;
}

.next {
	right: 0;
}