* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;}

.section_four .container {
	display:block;

	*zoom:1;
}

.section_four .container:before,.container:after {
	display:table;
	content:" ";
}

.section_four .container:after {
	clear:both;
}

.row {
	padding:1em 0 2em 0;
	/*
border-bottom: 1px dotted #eee;
	border-bottom:1px dotted rgba(0,0,0,0.2);
*/
	*zoom:1;
}

.row:before,.row:after {
	display:table;
	content:" ";
}

.row:after {
	clear:both;
}

.row.first {
	padding-top:0;
}

.onesixth,
.onefourth,
.onethird,
.onehalf,
.twothirds,
.threefourths {
	margin-bottom:2em;
}

.onesixth,
.onefourth {
	float:left;
	margin-right: 5%;
	width:47.5%;
}

speaker-img.onefourth {
  width:21.25%;
}

.onesixth:nth-of-type(2),
.onesixth:nth-of-type(4),
.onefourth:nth-of-type(2),
.last {
	margin-right: 0;
}

@media only screen and (min-width: 38em) {
	
	.container,.wrap {
	
	}
	
	/*** GRID ***/
	.onesixth,
	.onethird,
	.twothirds,
	.onefourth,
	.threefourths,
	.onehalf {
		float:left;
		margin:0 5% 0 0;
	}
	
	.opposite {
		float:right;
	}
	
	.onesixth {
		width: 12.5%;
	}
	
	.onefourth {
		width:21.25%;
	}
	
	.onesixth:nth-of-type(2),
	.onesixth:nth-of-type(4),
	.onefourth:nth-of-type(2) {
		margin-right:5%;
	}
	
	.onethird {
		width:30%;
	}
	
	.twothirds {
		width:65%;
	}
	
	.threefourths {
		width:73.75%;
	}
	
	.onehalf {
		width:47.5%;
	}
	
	/* push columns to the center */
	
	.skipsixth {
		margin-left: 17.5%;
	}
	
	.skipthird {
		margin-left:35%;
	}
	
	.skipfourth {
		margin-left:26.25%;
	}
	
	/* Get rid of last column's extra margin */
	
	.last {
		margin-right:0 !important;
	}
}

@media only screen and (min-width: 64em) {	

}



.timeline {
  background: -webkit-linear-gradient(left, #e4eff6 0%,#e4eff6 49.5%,#ffffff 49.5%,#ffffff 50.25%,#e4eff6 50.25%);
  background: -moz-linear-gradient(left, #e4eff6 0%,#e4eff6 49.5%,#ffffff 49.5%,#ffffff 50.25%,#e4eff6 50.25%);
  background: linear-gradient(to right, #e4eff6 0%,#e4eff6 49.5%,#ffffff 49.5%,#ffffff 50.25%,#e4eff6 50.25%); padding:0;
}

.timeline .onehalf {
  background: #f6fdfb;
  padding: 1em;
  position: relative;

	border-bottom: 3px solid #76b2d8;
	-webkit-transition: all .5s ease-in;
	-moz-transition: all .5s ease-in;
	-ms-transition: all .5s ease-in;
	transition: all .5s ease-in;
}

.timeline .left:after {
  content: '';
	width: 0; 
	height: 0; 
	border-top: 15px solid transparent;
	border-bottom: 15px solid transparent;
	border-left: 20px solid #fff;
	position: absolute;
	right: -20px;
	top: 10%;
}

.timeline .right:after {
  content: '';
	width: 0; 
	height: 0; 
	border-top: 15px solid transparent;
	border-bottom: 15px solid transparent;
	border-right: 20px solid #fff;
	position: absolute;
	left: -20px;
	top: 60%;
}

.timeline h3 {
  margin-top: 0;
}

.marker {
  background: #fff;
  padding: .5em;
  font-size: 2em;
  font-weight: bold;
  border-radius: 3px
}

.left,.right {
  opacity: 1;
}

.left.move {
  right: 100px;
  opacity: 0;
}

.right.move {
  left: 100px;
  opacity: 0;
}