/* base */

html, body {
    width: 100%;
    margin: 0px;
    padding: 0px;
    overflow-x: hidden;
    color: #111;
	font-family: 'paralucent-text', sans-serif;
	font-size: 16px;
	line-height: 1.65;
	background:url(../img/back2018b.jpg);
	background-size: 125vw auto;
	background-position: -20vw 0;
	background-repeat: repeat-y;
}

html {
	
	background: rgba(225, 225, 225, 1); /* For browsers that do not support gradients */
    background: -webkit-linear-gradient(rgba(180, 180, 180, 1) 0%, rgba(225,225,225,1) 100%); /* For Safari 5.1 to 6.0 */
    background: -o-linear-gradient(rgb(191,32,101), rgb(0,56,161)); /* For Opera 11.1 to 12.0 */
    background: -moz-linear-gradient(rgb(191,32,101), rgb(0,56,161)); /* For Firefox 3.6 to 15 */
    background: linear-gradient(rgb(180,180,180), rgb(225,225,225)); /* Standard syntax */
	}

body {
	padding: 0 5vw;
	width: 90vw;
	}

.small {
	font-size:16px;
	}

header {
	position: relative;
	background-color: transparent;
	}
	
header h1 {
	position: relative;
	z-index: 20;
}

header nav {
	position: relative;
	z-index: 30;
}
   	
header::before {
   	content: ""; /* empty but necessary */
   	position: absolute;
   	z-index: 0;
   	top: -406px;
   	left: -204px;
   	width: 926px;
   	height: 930px;
	background-image: url(../img/bigX.png);
	background-repeat: no-repeat;
}

main {
	position: relative;
	z-index: 100;
}
   	
h1, h2, h3 {
	font-family: "paralucent-stencil",sans-serif;
	font-weight: 500;
	letter-spacing: .05rem;
	text-transform: none;
	font-size: 2.5rem;
	line-height: 1.25;
	padding: 0;
	margin: 1rem 0;
}

h4 {
	font-weight: bold;
}

header h1 {
	text-transform: none;
	font-weight: bold;
}
	
header h1 em {
	font-style: normal;
	color: #FFF;
}

header img {
	height: 100px;
	background: transparent;
}

header h1, header img, header span {
	vertical-align: middle;
}
	
h2 {
	color: #FFF;
}
	
section h2:first-child {
	margin-top: 3rem;
}
	
h3 {
	font-size: 1.5rem;
	margin-top: 2rem;
}

h1 span, h2 span, h3 span {
	background-color: rgba(200, 0, 0, 1);
	padding-left: .2em;
	padding-right: .2em;
}

h2 span {
	display:inline-block;
}

h3 span {
	color: #FFF;
}

h3.register a, h3 span a:visited, h3 span a:link {
	color: #FFF;
}

p {
	line-height: 1.25;
}

strong {
	font-weight: bold;
}

em, cite {
	font-style: italic;
}

p + p, p + ul {
	margin-top: 1.25rem;
}

/* nav */

nav {
	display: none;
	padding-top: 5px;
	padding-bottom: 5px;
}

nav ul {
	font-size: 0;
}

nav li {
	font-size: .75rem;
	text-transform: uppercase;
	display: inline;
	background-color: #FFF;
}

nav li {
	margin-right: 5px;
	padding: 0 5px;
}

/* inter */

section {
	background-repeat: no-repeat;
	clear: both;
}

#madrid img {
	width: 100%;
	height: auto;
}

/* footer */

#footer {
	background-color: #FFF;
	padding: 0 1rem;
}

#footer h3 {
	font-size: 15px;
	padding-bottom: 0;
}

a, a:link, a:visited {
	color: #000;
	text-decoration: underline;
	text-decoration-color: rgba(200, 0, 0, 1);
	-webkit-text-decoration-color: rgba(200, 0, 0, 1);
	text-decoration-skip: ink;
	-webkit-text-decoration-skip: ink;
}

a:active {
	color: #F00;
}

nav a, nav a:link, nav a:visited, nav a:active, nav a:hover {
	color: rgb(200, 0, 0);
	text-decoration:none;
}

nav li:hover {
	background-color: #000;
}

header a, header a:link, header a:visited, header a:active {
	text-decoration: none;
}

ul {
	list-style:none;
	margin: 0;
	padding: 0;
}

ul.inline {
	padding-left: 0;
	text-indent: 0;
	font-weight: bold;
}

ul.inline li {
	display: inline;
	padding-right: 1em;
}

/*
ul.inline li:after {
	content:", ";
}

ul.inline li:last-child:after {
	content:".";
}
*/

li.strong {
	font-weight: bold;
}

#program article img, #keynotes article img {
	width: 100%;
	height: auto;
}

/* logos */

#footer {
	border-top:5px solid rgba(200, 0, 0, 1);
	margin-top: 40px;
}

#footer ul {
	padding-left: 0;
	text-indent: 0;
	overflow: auto;
	padding-top: 24px;
}

#footer ul.xcoax {
	padding-top: 0;
}

#footer a, #footer a:link, #footer a:visited {
	color: rgb(50,50,50);
	text-decoration: underline;
}

#footer a:active, #footer a:hover {
		color: #000;
}

ul.logos li {
	display: inline-block;
	margin-right: 20px;
	margin-bottom: 15px;
	vertical-align: middle;
}

ul.logos img {
	max-width: 100%;
	height: auto;
	width: auto;
	max-height: 40px;
	opacity: .8;
}

ul.logos img.etsam {
		max-height: 50px;
}

ul.xcoax img {
	max-height: 80px;
}

ul.logos img.s {
	max-height: 25px;
}

ul.logos li.media {
	opacity: 0.5;
}

#committees ul strong {
	display: block;
}

#committees li, #program li {
	padding-left: 1em;
	text-indent: -1em;
}

#dates ul li {
	font-size: 1.25rem;
}

#dates ul li strong {
	display: block;
}

#dates li.strike {
	text-decoration: line-through;
}

/* program */

table + article {
	clear:both;
}

table {
	width: 100%;
	margin-bottom: 1.65em;
	font-size: 1em;
}


tr {
	border-top: 1px solid #aaa;
}

th {
	text-align: left;
	padding: .5em;
	background-color: rgba(200, 0, 0, 1);
	color: #FFF;
	font-weight: bold;
	text-transform: uppercase;
}

td {
	padding: .5em;
	font-weight: bold;
	text-transform: uppercase;
	color: rgba(200, 0, 0, 1);
}

tr.break td + td {
	background: #eee;
	font-weight: normal;
	text-transform: none;
	color: #000;
}

td:first-child {
	background: #ccc;
	width: 25%;
	font-weight: bold;
	color: #666;
}

td:first-child span {
	font-weight: normal;
}

td + td {
	background: #FFF;
}

td span {
	display: block;
} 

td ul {
	margin-top: 1.65em;
	font-weight: bold;
	text-transform: none;
	color: #000;
}

td cite {
	font-weight: normal;
	font-style: normal;
	display: block;
	padding-left: 0;
	text-indent: 0;
}

td .qa {
	color: rgba(200, 0, 0, 1);
	font-weight: normal;
}

#program li.note {
	color: rgba(200, 0, 0, 1);
	font-weight: normal;
	text-indent: 0;
	padding-left: 0;
}

/* abstracts */

article {
	background: #FFF;
	padding: .5em;
	margin-right: 1%;
	margin-bottom: .5em;
}

article h3 {
	font-family: 'paralucent-text', sans-serif;
	font-size: 1rem;
	font-weight: bold;
	letter-spacing: 0;
	margin: .5em 0;
}

article h3 cite {
	font-weight: normal;
	font-style: normal;
	display: block;
}

article:last-child {
	clear:right;
	margin-bottom: 1.5rem;
}

article p {
	color: #666;
}



/* Small devices (tablets, 768px and up) */
@media (min-width: 768px) {
	
	html, body {
		background-size: 125vw auto;
	}

	nav {
		display: block;
	}

	#program article img {
		width: 350px;
	}
	
	#dates ul li strong {
		display: inline;
	}

	ul.logos li {
		margin-bottom: 30px;
	}
	
	#footer ul {
		padding-top: 34px;
	}
	
}

/* Medium devices (desktops, 992px and up) */
@media (min-width: 992px) {
	
	html, body {
		font-size: 18px;
		background-position: 0 0;
		background-size: 100vw auto;
	}

	header, section {
		max-width: 900px;
		margin: 0 auto;
	}

	header::before {
		top: -402px;
		left: -200px;
   	}

	#committees ul {
		column-count: 2;
		column-gap: 3rem;
	}

	#committees ul.single {
		column-count: 1;
	}

	#committees li {
		display: inline-block;
		width: 100%;
		padding-right: 1em;
		font-size: .75rem;
	}

	#committees li strong {
		font-size: 1rem;
	}

	article {
		box-sizing: border-box;
		width: 49%;
		float: left;
		margin-bottom: 2rem;
	}

	#program ul + article {
		padding-right: 1%;
	}

	article + article {
		padding-left: 1%;
	}
	
	article:nth-child(2n) {
		clear: both;
	}

	section#registration, section#dates, h3 {
		clear:both;
	}
	
	table {
		width: 49%;
		font-size: .9em;
	}
	
	table:nth-child(even) {
		float: left;
		clear: both;
		margin-right: 1%;
	}

}

/* Large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {


}