body {
margin:0px;
}

#encabezado_superior{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/fondo.jpg);
height:38px;
color:#FFFFFF;
font-family:Arial, Helvetica, sans-serif;
font-size:12px;
margin-top:0px;
border-top:1px solid #CCCCCC;
margin-bottom:10px;
}

#encabezado_superior li, ul{
margin:0px;
padding:0px;

}


#encabezado_superior li{
list-style:none;
display:block;
float:left;
}


.separador_2{
	margin-left:11px;
	margin-right:11px;
	float:left;
	width:3px;
	height:25px;
}

a.catedra{

cursor:pointer;

}

a.elearning{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/elearning.jpg);
display:block;
width:28px;
height:31px;
cursor:pointer;
margin-left:10px;
}

a.pdi{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/pdi.jpg);
display:block;
width:35px;
height:31px;
cursor:pointer;

}

a.islam{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/islam.jpg);
display:block;
width:27px;
height:31px;
cursor:pointer;
}

a.expocampus{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/expocampus.jpg);
display:block;
width:33px;
height:31px;
cursor:pointer;
}

a.campus_virtual{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/campus_virtual.jpg);
display:block;
width:18px;
height:29px;
cursor:pointer;
}

a.expoespanol{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/expoespanol.jpg);
display:block;
width:33px;
height:30px;
cursor:pointer;
}

a.slideshare{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/slideshare.jpg);
display:block;
width:28px;
height:31px;
cursor:pointer;
}

a.facebook{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/face.jpg);
display:block;
width:29px;
height:31px;
cursor:pointer;
}

a.tweeter{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/tweeter.jpg);
display:block;
width:28px;
height:31px;
cursor:pointer;
}

a.blogspot{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/blogspot.jpg);
display:block;
width:27px;
height:31px;
cursor:pointer;
}

a.youtube{
background-image:url(http://www.catedraelearning.es/skins/sd_simple/img/encabezado/you_tube.jpg);
display:block;
width:27px;
height:31px;
cursor:pointer;
}