@media screen and (min-width: 320px) {
	html {
		font-size: 16px;
	}
}
@media screen and (min-width: 481px) and (max-width: 640px) {
	html {
		font-size: 16px;
	}
}
@media screen and (min-width: 641px) {
	html {
		font-size: 18px;
	}
}

.content {
	font-family: "Times New Roman", Times, serif !important;
}
.content p,
li,
h1,
h2,
h3,
h4,
h5,
h6 {
	line-height: 1.8 !important;
}
.header-all-in-one {
	display: flex;
	flex-direction: row;
	width: 100%;
	height: 4rem;
	background: url("../img/header.jpg") no-repeat center/contain;
}
.header-all-in-one a {
	display: block;
	height: 100%;
}
#polyu-logo {
	margin-left: 5.5rem;
	width: 9rem;
}
#cpce-logo {
	width: 7rem;
}
#speed-logo {
	width: 4rem;
}
#rcgetb-logo {
	width: 6rem;
}
#rcadmm-logo {
	width: 2rem;
}
@media screen and (max-width: 768px) {
	.header-all-in-one {
		height: 3rem;
		background: url("../img/header.jpg") no-repeat center/contain;
	}
	#polyu-logo {
		margin-left: 0;
		width: 5rem;
	}
	#speed-logo {
		width: 2rem;
	}
	#rcgetb-logo {
		width: 4rem;
	}
	#rcadmm-logo {
		width: 2rem;
	}
}
.header-logo {
	width: 90%;
	height: 10vh;
	margin-bottom: 3px;
	display: flex;
	align-items: center;
	justify-content: space-evenly;
}
.header-logo a {
	width: 20%;
	height: 100%;
	margin: 0 5px;
}
@media (max-width: 768px) {
	.header-logo a:first-child {
		/* display: block; */
		background: url("img/ico/polyu.ico") no-repeat center/contain !important;
	}
}

.rcgetblogo {
	width: 235px;
	height: 108px;
}

.nav {
	width: 100%;
	margin: 0 auto;
	padding: 0 20px !important;
	display: flex;
	flex-direction: row;
	justify-content: space-evenly;
	background: linear-gradient(
		to right,
		var(--bs-teal) 0%,
		var(--bs-teal) 50%,
		#16939f 100%
	) !important;
	font-size: 16px;
}
.sticky-top {
	padding-top: 0px !important;
}
.nav li {
	padding: 5px;
}
.navaffix {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 10vh;
	z-index: 1;
	background-color: #fff;
}
.nav-link:hover {
	background-color: #f8f9fa;
	color: var(--bs-light-text-emphasis) !important;
}
.nav-link.active {
	color: var(--bs-nav-pills-link-active-color) !important;
	background-color: var(--bs-nav-pills-link-active-bg);
	font-weight: bold;
}
.container-fluid {
	margin: 5px auto;
}
.navbar-toggler {
	z-index: 2;
}
#navbarNavDropdown {
	/* margin-top: -1rem; */
	transition: all 0.5s ease;
}
.container-banner {
	/* width: 100%; */
	height: 22rem;
	background: url("../img/banner.jpg") no-repeat left top;
	background-size: cover;
	overflow: hidden;
}
@media screen and (max-width: 768px) {
	.container-banner {
		height: 12rem;
		background: url("../img/banner.jpg") no-repeat left top;
		background-size: auto 125%;
		overflow: hidden;
	}
}

.content,
.footer {
	margin: 10px auto;
	padding: 10px;
	width: 85vw;
}
.footer {
	margin-top: 1.5rem;
}
.footer a:first-of-type {
	margin-left: 2rem;
	font-size: 0.8rem;
}
.footer a:last-of-type {
	margin-right: 2rem;
	font-size: 0.8rem;
}
.content-header h4,
.content-header h5 {
	margin: 15px auto;
	text-align: center;
}
.content-header h4 {
	color: brown;
}

.container-intro h4,
.container-intro h5 {
	margin: 15px auto;
}

.container-table,
.container-intro {
	width: 80%;
	border-collapse: collapse;
	border-radius: 15px;
}
.container-intro p {
	text-align: justify;
	margin-bottom: var(--bs-body-font-size);
}

table {
	width: 100%;
	height: 100%;
}
tbody tr {
	text-align: center;
}
.container-table th,
.container-table td {
	padding: 10px;
	text-align: center;
	vertical-align: middle;
}

.container-intro-table {
	width: 100%;
	height: 100%;
	border-collapse: collapse;
}
.container-list {
	/* margin: 0; */
	padding: 0;
	list-style: disc;
}

.conference-img-container,
.img-container {
	display: flex;
	flex-direction: row;
	justify-content: space-evenly;
	align-items: center;
	flex-wrap: wrap;
}

.seminar-img-poster {
	width: 14rem;
	/* width: 210px; */
	/* height: 297px; */
	border-radius: 5px;
	margin: 10px;
}
.seminar-img {
	margin: 10px;
	width: 14rem;
	height: 14rem;
	overflow: hidden;
	object-fit: cover;
	border-radius: 5px;
}
.rundown-header {
	box-shadow: inset 0 0 0 9999px #deeaf6 !important;
	text-align: center;
}
@media (max-width: 768px) {
	.table-rundown td:first-child,
	.table-rundown td:first-child p {
		text-align: center;
		min-width: 0;

		/* font-weight: bold; */
		/* background: #f8f9fa; */
	}
}

.table-rundown td {
	text-align: left;
	vertical-align: middle;
	align-items: center;
	min-width: 7.5rem;
}
.table-rundown p {
	margin: 0.25rem auto;
}

.class-italic {
	font-style: italic;
	/* font-weight: bold; */
	/* text-decoration: underline; */
}
.presentations-title {
	font-weight: bold;
}
.session-break {
	background-color: #deeaf6 !important;
}
.session-break span,
.session-break p,
.programme-break {
	font-weight: bold;
	color: #4472c4;
}
.committee-list {
	padding-left: 0;
}

.committee-list li {
	margin: 0.5rem auto;
}

.contact-info {
	/* display: flex; */
	margin: 10px auto;
	flex-wrap: wrap;
	text-align: left;
}

@media (max-width: 768px) {
	.span-block {
		display: block;
		/* text-align: center; */
	}
}
.align-center {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	vertical-align: middle;
}

.contact-map h3 {
	margin: 10px auto;
}
.contact-map address {
	text-align: justify;
	/* padding-left: 2rem; */
}
.contact-map-container {
	text-align: center;
}
.contact-map-container iframe {
	border: 0;
	width: 36rem;
	height: 24rem;
	margin: 10px auto;
}
@media screen and (max-width: 768px) {
	.contact-map-container iframe {
		width: 100%;
		height: 20rem;
	}
}

#fixedbutton {
	position: fixed;
	bottom: 3rem;
	right: 1rem;
	z-index: 1000;
}
#fixedbutton > a > button {
	width: 8rem;
	border: none;
	border-radius: 8px;
	padding: 0.5rem;
	background-color: green;
	color: white;
}
@media (min-width: 769px) {
	#qrcode-slide {
		position: absolute;
		bottom: 60px;
		right: 0;
		background: #fff;
		border-radius: 10px;
		box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
		padding: 10px;
		display: flex;
		justify-content: flex-end;
		transform: none;
	}
	#qrcode-slide span::after {
		content: "";
		position: absolute;
		bottom: 0;
		left: 50%;
		width: 0;
		height: 0;
		border: 15px solid transparent;
		border-top-color: #fff;
		border-bottom: 0;
		margin-left: -12px;
		margin-bottom: -12px;
	}
}

@media (max-width: 768px) {
	#qrcode-slide {
		display: none !important;
	}
}