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

body {
	background-color: #353a40;
}

header {
	background-color: #ffffff;
	text-align: center;
}

header img {
	margin: 1em;
	width: min(13em, 20vw);
}

nav {
	background-color: #2d2d2b;
	margin-bottom: 1rem;
}

/* never collapse */
.navbar-nav {
	flex-direction: row !important;
}
.navbar-nav .nav-link {
	padding-left: 0.5rem;
	padding-right: 0.5rem;
}

.nav-link, footer, footer a {
	font-size: 0.9rem;
	color: #ffffff !important;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

@media (max-width: 25em) {
	.pa-nav-wide {
		display: none;
	}
}

@media (min-width: 25em) {
	.pa-nav-slim {
		display: none;
	}
}

main {
	margin-bottom: 4rem;
}

footer {
	background-color: #2d2d2b;
	text-align: center;

	position: absolute;
	bottom: 0;
	width: 100%;
	height: 3rem;

	display: flex;
	justify-content: center;
	align-items: center;
}

footer a {
	margin: auto;
}

footer a:hover {
	text-decoration: none;
}

h1 {
	font-size: 1.7rem;
}

h2 {
	margin-top: 1rem;
	font-size: 1.4rem;
}

h1, h2, h3, h4, h5, h6, label, li, p, pre {
	color: #f8f9fa;
}

p {
	margin-bottom: 0.5rem !important;
}

p a {
	color: #8ebeeb;
}

p a:hover {
	color: #b6e7ff;
}

.gallery > a {
	margin: 0.5rem;

	/* for overlay div */
	position: relative;
}

.gallery > a > div {

	/* align to the parent element */
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;

	display: flex;
}

.gallery > a > div > div {
	align-self: flex-end;
	background-color: rgba(0, 0, 0, 0.67);
	color: #ffffff;
	padding: 0.5em;
	width: 100%;
}

.image {
	background-color: #3a4046;
	margin-bottom: 0.5em;
}

.image img {
	width: 100%;
	max-height: 90vh !important;
	object-fit: contain;
}

.image-buttons {
	text-align: right;
}

.image-buttons a {
	margin-left: 0.2em;
}

.nav-tabs {
	margin: 1em 0;
}

.nav-tabs .nav-item {
	margin-right: 0.5em;
}

.nav-tabs .nav-item * {
	font-size: 100%;
}

.nav-tabs .nav-item a.active {
	color: #2d2d2b !important;
}

/* pagination dark */

.page-link {
	color: #d9d9d9 !important;
	background-color: #4f4f4f !important;
	border: 1px solid #262626 !important;
}

.page-link:hover {
	color: #fff !important;
	background-color: #a4a4a4 !important;
	border-color: #dee2e6;
}

.page-item.active .page-link {
	color: #fff;
	background-color: #808080 !important;
	border-color: #353535;
}