* {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	font-family: Arial, sans-serif;
}

/* cuerpo de la pagina html */
body {
	/*background-color: #ffffff;*/
	color: #111;
	font-family: Arial, sans-serif;
	padding: 20px 0px;
        margin: 0px;
        border: 0px;
}

/* contenedor del contenido, para estilar mejor como acomodar el contenido */
.course_content_container {
	position: relative;
	background-color: #ffffff;
	width: 820px;
	min-height: 580px;
	text-align: center;
	padding: 0px;
	margin: 0px auto;
	box-shadow: 0px 0px 10px rgba(0,0,0,0.75);
}

/* el texto del contenido */
.course_content { 
	width: 100%;
	text-align: initial;
	display: inline-block;
	margin: 0px;
	padding: 20px 0px 10px 0px;
}

/* el texto del índice */
.course_content, .index_content {
	text-align: initial;
	display: inline-block;
}

/* título de la página */
h1{
	font-size: 20px;
	/*color: #703f18; --> color anterior, m‡s oscuro */
	color: #944a17;
	margin: 10px 30px 15px 30px;
	border-bottom: 1px solid #f38f31;
	line-height: 55px;
}

/* subtítulos */
h2{
	font-size: 18px;
	font-weight: normal;
	color: #d07020;
	/*color: #b76024; --> otra propuesta */
	margin: 20px 30px 15px 30px;
}

/* texto */
p{
	font-size: 17px;
	color: #232323;
	text-align: justify;
	margin: 20px 30px;
}

/* Ordered list */
ol{
	padding-left: 60px;
	padding-right: 60px;
	text-align: justify;
}

/* Unordered list */
ul{
	padding-right: 60px;
	text-align: justify;
}

/* Instrucciones */
.instrucciones{
	color: #000000;
	font-style: italic;
	margin: 10px 28px;
	padding: 10px 10px;
	border: 1px solid #dcdcdc;
	text-align: justify;
	font-size: 16px;
}

/* f—rmulas matem‡ticas */
.formula{
  font-family: serif;
  font-size: 19px;
  font-style: italic; 
}

/* contenedor para los elementos externos, como animaciones, interacciones y video */
div .course_extern_content {
	text-align: center;
	padding: 5px;
	overflow: hidden;
}

.course_iframe{
	overflow: hidden;
}

img {
	max-width: 100%;
}

.standardButton{
	
	border-radius: 8px;
	padding-top: 4px;
	font-family: 'Montserrat', sans-serif;
	text-decoration: none;
	font-size: 20px;
	line-height: 20px;
	text-align: center;
	cursor: pointer;
	
	color: #ffffff;
		
	background: #ee7f30; /* Old browsers */
	background: -moz-linear-gradient(top,  #b76024 0%, #773f18 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b76024), color-stop(100%,#773f18)); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(top,  #b76024 0%, #773f18 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(top, #b76024 0%, #773f18 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(top, #b76024 0%, #773f18 100%); /* IE10+ */
	background: linear-gradient(to bottom, #b76024 0%, #773f18 100%); /* W3C */
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b76024', endColorstr='#773f18',GradientType=0 ); /* IE6-9 */
}

.standardButton:hover{  
	background: #ee7f30; /* Old browsers */
	background: -moz-linear-gradient(top,  #b76024 0%, #cc773d 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b76024), color-stop(100%,#cc773d)); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(top,  #b76024 0%, #cc773d 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(top, #b76024 0%, #cc773d 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(top, #b76024 0%, #cc773d 100%); /* IE10+ */
	background: linear-gradient(to bottom, #b76024 0%, #cc773d 100%); /* W3C */
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#b76024', endColorstr='#cc773d',GradientType=0 ); /* IE6-9 */
}

.standardButton:active{  
	background: #ee7f30; /* Old browsers */
	background: -moz-linear-gradient(top,  #cc773d 0%, #b76024 100%); /* FF3.6+ */
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#cc773d), color-stop(100%,#b76024)); /* Chrome,Safari4+ */
	background: -webkit-linear-gradient(top,  #cc773d 0%, #b76024 100%); /* Chrome10+,Safari5.1+ */
	background: -o-linear-gradient(top, #cc773d 0%, #b76024 100%); /* Opera 11.10+ */
	background: -ms-linear-gradient(top, #cc773d 0%, #b76024 100%); /* IE10+ */
	background: linear-gradient(to bottom, #cc773d 0%, #b76024 100%); /* W3C */
	filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#cc773d', endColorstr='#b76024',GradientType=0 ); /* IE6-9 */
}

/*********************************
 BOTÓN PARA CRÉDITOS Y LICENCIAS
 **********************************/
/*#btCopyright{
	position:absolute;
	top: 10px;
	right: 10px;
	width: 28px;
	height: 29px;
        padding-top: 5px;
        padding-left: 2px;
}*/

.div_creditos{
	margin: 10px 30px 15px 30px;
	border-top: 1px solid #f38f31;
	margin-top: 30px;
	text-align: center;
	padding-top: 15px;
}

.liga_creditos{
	color: #8d3b00;
	font-size: 13px;
	cursor: pointer;
	font-weight: lighter;
}
.liga_creditos:hover{
	color: #b74d00;
}
.liga_creditos:active{
	color: #a2531b;
}

/*********************************
 *
 DIV CON CRƒDITOS Y LICENCIAS
 
 **********************************/

#popup_creditos {
	position: absolute;
	left: 0px;
	top: 20px;
	width: 100%;
	height: auto;
	background-color: rgba(0,0,0,0);
	overflow: hidden;
}

.popup_inner{
	position: relative;
	margin: 18px;
	background-color: #ffffff;
	border: 2px solid #ee7f30;
        border-radius: 6px;
	color: #232323;
	font: Arial, sans-serif;
	text-align: center;
	/*padding: 10px 20px;*/
	max-height: 520px;
	overflow: hidden;
	box-shadow: 0px 0px 10px rgba(0,0,0,0.75);
}

#bt_close_popup{
	font-size: 30px;
	position:absolute;
	top: 8px;
	right: 8px;
	width: 28px;
	height: 29px;
}

/******************************
 *
 *Contenido de la ventana
 *
 ****************************/

.popup_header{
	font-size: 20px;
	color: #944a17;
	margin: 20px 20px 15px 20px;
	border-bottom: 1px solid #f38f31;
	line-height: 55px;
	text-align: center;
}

.popup_content{
	margin: 0px;
	height: 400px;
	overflow: auto;
	text-align: left;
}


.creditos{
	width: 100%;
	padding: 0px 20px 0px 20px;
	margin: 0px 0px 25px 0px;
}


.creditos > ul{
	min-height: 60px;
}

.proyecto{
	font-family: Arial, sans-serif;
	font-size: 15px;
	color: #232323;
	text-align: justify;
	font-style: !important;
}

.autores{
	font-family: Arial, sans-serif;
	font-size: 15px;
	color: #703f18;
	text-align: justify;
}

ul > li{
	margin-left:20px;
}

.nombre{
	color: #d07020;
}

.logos{
	display: block;
	margin: 0px auto;
}


.licencias{
	margin: 0px 20px;
	border-top: 1px solid #ee7f30;
}

.licencias > p{
	font-family: Arial, sans-serif;
	font-size: 13px;
	color: #703f18;
	text-align: justify;
}

.creativeCommons{
	background: url("../icns/logoCreativeCommons.png") no-repeat;
	padding-left: 100px;
}

.oculto{
	opacity: 0;
	visibility: hidden;
}

.visible{
	opacity: 1;
	visibility: visible;
}