@charset "utf-8";
/* RESET */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	vertical-align: baseline;
}
/* ESTILOS */
body {
	background:url(../img/back-col.jpg) no-repeat #bcbdbd center top;
/*	font-family:Georgia, "Times New Roman", Times, serif;*/
	font-family:Arial, Helvetica, sans-serif;
	font-size:13px;
	line-height:16px;
}
#caja-externa {
	width:960px;
	margin:0 auto;
}
.alto750 {
	display:inline-block;
	height:750px;
}
.h1 {
	visibility:hidden;
}
h2 {
	font-size:30px;
	line-height:50px;
	text-align:center;
	color:#FFF;
}
.titulo {
	background:url(../img/titulo.png) no-repeat;
	margin: 20px 0 0 10px;
	width: 288px;
	height:117px;
}
.intro {
	float:left;
	margin: 20px 0 0 10px;
	font-size:16px;
	font-weight:bold;
	color:#000;
	width:268px;
	padding:10px;
	
}
/*.fondo-intro {
	background:url(../img/transparente.png) repeat;
}*/

.caja50 {
	width:47%;
	padding-top:25px;
	padding-left:10px;
	padding-right:10px;
	float:left;
}
.boton {
	width:210px;
	height:130px;
	float:left
}
.disqus {
	width:600px;
	margin:0 auto;
	
}
.limpiar {
	clear:both;
}

a img {
	border: none;
}

.certifica {
	visibility:hidden;
}
.txt_10 {
	padding:20px 0 20px 0;
	font-size:10px;
	line-height:12px;
	text-align:center;
}
.bot-profesores {
	margin:0 30px 0 460px;
}
.bot-historia {
	margin:80px 40px 150px 170px;
}