body{
	background-color:#f4f4f4;
	color:#555555;

	font-size:16px;
	font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
	line-height: 1.6em;
}

img{
	max-width:100%;
	height:auto;
}

.container{
	width:80%;
	margin:auto;
	overflow:hidden;
}

#main_pic{
	margin-top:15px;
	text-align:center;
}

#main_pic img{
	display:block;
	width:100%;
	max-width:800px;
	height:auto;
	margin:0 auto;
}

em{
	color:red;
}

#main_header h1{
	font-size:28px;
	line-height:1.25;
	font-weight:700;
	color:#333333;
	margin:18px 0 8px;
}

#main_header h2{
	font-size:18px;
	line-height:1.35;
	font-weight:500;
	color:#555555;
	margin:0 0 18px;
}

#main_header h2 a{
	color:#555555;
	text-decoration:none;
}

#main_header h2 a:hover{
	text-decoration:underline;
}

#navbar{
	height:auto;
	padding-top:1px;
}

#navbar ul{
	padding:0;
	list-style:none;
	display:flex;
	flex-wrap:wrap;
	justify-content:center;
	gap:8px 18px;
}

#navbar li{
	display:inline-block;
	vertical-align:middle;
}

#navbar a{
	text-decoration:none;
	font-size:18px;
}

.highlight{
	text-align:center;
}

.main{
	overflow-x:auto;
}

.program-table{
	min-width:680px;
}

.keynote-grid{
	display:grid;
	grid-template-columns:1fr;
	gap:24px;
	margin:20px 0;
}

.keynote-card{
	background-color:#ffffff;
	border:1px solid #dddddd;
	border-radius:8px;
	overflow:hidden;
	display:flex;
	align-items:flex-start;
	gap:0;
}

.keynote-card img{
	display:block;
	flex:0 0 260px;
	width:260px;
	max-width:38%;
	height:auto;
}

.keynote-info{
	padding:18px 22px;
}

.keynote-info h3{
	margin:0 0 8px;
}

.keynote-affiliation{
	margin-top:0;
	font-weight:bold;
	color:#444444;
}

.keynote-label{
	font-size:17px;
	color:#333333;
}

@media (max-width: 720px){
	.container{
		width:92%;
	}

	#main_header h1{
		font-size:22px;
	}

	#main_header h2{
		font-size:16px;
	}

	#navbar ul{
		gap:6px 12px;
	}

	#navbar a{
		font-size:16px;
	}

	.keynote-card{
		display:block;
	}

	.keynote-card img{
		width:100%;
		flex:auto;
		max-width:none;
	}
}

#main_footer{
	font-size:12px;
}

#main_footer{
	display:flex;
	flex-wrap:wrap;
	align-items:center;
	gap:24px;
	margin:28px 0;
}

#main_footer > img{
	object-fit:contain;
	height:auto;
	max-width:100%;
}

.chair-universities{
	display:flex;
	flex-wrap:wrap;
	align-items:center;
	gap:24px;
}

.chair-universities img{
	width:auto;
	height:auto;
	max-width:180px;
	max-height:90px;
	object-fit:contain;
}