/*linea tiempo h*/
 .content_nav .buttons{
	cursor: pointer;
	background-image: url("../img/introduccion/S_G10_U02_L06_botonder.png");
	background-repeat: no-repeat;
	position: absolute;
	z-index: 2;
	
}
 .content_nav .buttons.last{
	display: none;
	-moz-transform: rotate(180deg);
	-webkit-transform: rotate(180deg);
	transform: rotate(180deg);
}



.content_nav{
  /*margin-top: 50px;*/
  overflow: hidden;
}
 .content_nav .sections {
	list-style: none;
	padding: 0px;
	margin: 0px;
	height: 664px;
}
 .content_nav .sections > li{ 
	width: 500px;
	height: 400px;
	float: left;
}
.content_nav .content-int{
	width: 500px;
	height: 400px;
	position: absolute;
	top: 225px;
    left: 375px;
	overflow: hidden;
}
/*end linea de tiempo*/

.full.content_nav > .content-int{
	width: 1245px;
	height: 660px;
	top: 0;
	left: 0;
}
.full.content_nav ol.sections > li{
	width: 1246px;
    height: 666px;
}