html {
	margin: 0;
	padding: 0;	
	background: #d9ebef;
	background: -moz-radial-gradient(center, ellipse cover,  #d9ebef 0%, #ddf1f9 35%, #9dd8e8 100%); /* FF3.6+ */
	background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,#d9ebef), color-stop(35%,#ddf1f9), color-stop(100%,#9dd8e8)); /* Chrome,Safari4+ */
	background: -webkit-radial-gradient(center, ellipse cover,  #d9ebef 0%,#ddf1f9 35%,#9dd8e8 100%); /* Chrome10+,Safari5.1+ */
	background: -o-radial-gradient(center, ellipse cover,  #d9ebef 0%,#ddf1f9 35%,#9dd8e8 100%); /* Opera 12+ */
	background: -ms-radial-gradient(center, ellipse cover,  #d9ebef 0%,#ddf1f9 35%,#9dd8e8 100%); /* IE10+ */
	background: radial-gradient(ellipse at center,  #d9ebef 0%,#ddf1f9 35%,#9dd8e8 100%); /* W3C */
}
body {
	width: 940px;
	height: 100%;
	margin: 0 auto;
	padding: 0;
	background: #fff;
	font: 10pt/1.5em Helvetica,"Helvetica neue", Arial, sans-serif;
}
header,section,article,nav {
	display: block;
}
header {
	background: url(../images/header.jpg) center top no-repeat;
	width: 940px;
	height: 245px;
}
nav {
	float: left;
	width: 240px;
	height: 1350px;
	margin: 0 0 0 0;
	padding-top: 30px;
	background: #fff;
}
#guia_profesorado_nav {
	height: 2800px;
}
section {
	float: right;
	width: 700px;
	height: 1380px;
	margin: 0 0 0 0;
	background: #fff;
}
#guia_profesorado_section {
	height: 2830px;
}
section h1 {
	font: 22pt Helvetica,"Helvetica neue", Arial, sans-serif;
	font-weight: bold;
	color: #fff;
	padding-bottom: 3px;
	padding-top: 3px;
	padding-left: 15px;	
	background: #37a4d7;background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #37a4d7), color-stop(0, #398fc4), color-stop(0, #37a4d7));
	background-image: -moz-linear-gradient(top,  #37a4d7 0%, #398fc4 0%, #37a4d7 0%);
	background-image: -o-linear-gradient(top,  #37a4d7 0%, #398fc4 0%, #37a4d7 0%);;
	background-repeat: repeat-x;

	-moz-border-radius: 6px;
  	-webkit-border-radius: 6px;
    border-radius: 6px;
}
article {
	margin: 0 80px 0 30px;
}
article p {
	color : #a1a1a3;
	margin: 0 30px 10px 30px;
}
article p.resalte {
	color : #000;
	font-weight: bold;
	font-style: italic;
}
hr {  
	border: 0;
  	color : #dadbdb;
  	background-color: #dadbdb;
  	height: 2px;
}
.blue {
	color : #30a5da;
	font-weight: bold;
}
article ul.ejercicio {
	font: 16pt Helvetica,"Helvetica neue", Arial, sans-serif;
	color : #30a5da;
}
article ul.subejercicio {
	font: 13pt Helvetica,"Helvetica neue", Arial, sans-serif;
	color : #a1a1a3;
	margin: 0 0 0 30px;
}
article ol {
	background-color: #87cbe9;
	color : #fff;
	margin: 0 50px 10px 30px;

	-webkit-box-shadow: 2px 2px 5px rgba(50, 50, 50, 0.75);
	-moz-box-shadow:    2px 2px 5px rgba(50, 50, 50, 0.75);
	box-shadow:         2px 2px 5px rgba(50, 50, 50, 0.75);
}
article ol li {
	padding: 5px 20px 5px 20px;
}
a:link, a:visited {
	text-decoration:none;
	color: #000;
}
a img {
	border:none;
}
.img_center {
	display: block;
	margin-left: auto;
	margin-right: auto;
}
.img_center1 {
	margin-left: auto;
	margin-right: auto;
}
/* ASIDE */
.aside_content {
	background-color: #fafafb;
	margin-left: 50px;
	margin-right: 10px;
	-webkit-box-shadow: 2px 2px 5px rgba(50, 50, 50, 0.35);
	-moz-box-shadow:    2px 2px 5px rgba(50, 50, 50, 0.35);
	box-shadow:         2px 2px 5px rgba(50, 50, 50, 0.35);
}
.flecha_navegacion {
	float: right;
}
.flecha_navegacion_arriba {
	float: right;
	padding-right: 110px;
}
nav p {
	margin: 30px 0 0 20px;
}
nav ul {	
    list-style: none;
    padding-left: 30px;
}
nav li.flecha:before {
	content: "";
    border-color: transparent #111;
    border-style: solid;
    border-width: 0.35em 0 0.35em 0.45em;
    display: block;
    height: 0;
    width: 0;
    left: -1em;
    top: 0.9em;
    position: relative;
}
nav ul li {
	color: #000;
	text-decoration:none;
}
nav ul li.current {
	color: #30a5da;
}
nav ul li a:hover {
	color: #30a5da;
	text-decoration:none;
}

ol.SinDots {
	list-style-type: none;
}