#menuhorizontal{padding:0px 0px 0px 0px;width: 900px;height: 55px;float:left;background-color:#2175bc;margin:0px 0px 0px 0px;}
#menuhorizontal li{display:inline}
#menuhorizontal a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#menuhorizontal li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;} 






#titulos{padding:0px 0px 0px 0px;width: 180px;height: 55px;float:left;margin:0px 0px 20px 5px;}
#titulos li{display:inline}
#titulos a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;} 


#titulos2{padding:0px 0px 0px 0px;width: 220px;height: 55px;float:left;margin:0px 0px 20px 10px;}
#titulos2 li{display:inline}
#titulos2 a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos2 li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;}


#titulos3{padding:0px 0px 0px 0px;width: 240px;height: 55px;float:left;margin:0px 0px 20px 0px;}
#titulos3 li{display:inline}
#titulos3 a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos3 li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;}




#titulos4{padding:0px 0px 0px 0px;width: 240px;height: 55px;float:left;margin:0px 0px 20px 0px;}
#titulos4 li{display:inline}
#titulos4 a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos4 li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;}


#titulos5{padding:0px 0px 0px 0px;width: 240px;height: 55px;float:left;margin:0px 0px 20px 0px;}
#titulos5 li{display:inline}
#titulos5 a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos5 li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;}


#titulos6{padding:0px 0px 0px 0px;width: 260px;height: 55px;float:left;margin:0px 0px 20px 0px;}
#titulos6 li{display:inline}
#titulos6 a{margin:5px auto;font-family:Arial;font-size:20px;text-align:center;text-decoration:none;float:left;padding:10px;
background-color:#2175bc;color:#fff;border-radius:20px;}
#titulos6 li a:hover {background-color:#2586d7;margin-top:2px; padding-bottom:12px;}


#contenido{width: 900px;height: 980px; background-color:white;float:left;}



#contenido1{width:900px;height: 820px;float:left;color:white;background-position:center center;
font-family:Arial;text-align:left;margin:0px 0px 0px 0px;font-size:0.91em;background-color: white;}









#descargar{width: 900px;height: 420px;float:left;background-color:white;margin: 0px auto;}

#descargar-pdf{width: 160px;height: 49px;margin: 10px 0px 0px 15px;float: left;background-color: white;}
#descargar-pdf a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris{width: 190px;height: 420px;margin: 0px 0px 0px 60px;background-color:white;float: left;color: blue;
font-family: arial;text-decoration:underline;font-size: 1.3em; }

#foto-pdf{width: 190px;height: 250px;float:left;margin:5px 0px 0px 0px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf a{text-decoration: none;padding:10px 0px 0px 10px;}


#descargar-pdf2{width: 160px;height: 49px;margin: 10px 0px 0px 35px;float: left;background-color: white;}
#descargar-pdf2 a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris2{width: 240px;height: 400px;margin: 0px 0px 0px 70px;background-color: white;float: left;color: blue;
font-family: arial;text-decoration:underline;font-size: 1.3em;}

#foto-pdf2{width: 190px;height: 250px;float:left;margin:5px 0px 0px 20px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf2 a{text-decoration: none;padding:10px 0px 0px 10px;}


<!-- /////////////////////////// -->


#descargar2{width: 900px;height: 330px;float:left;background-color: white;margin: 0px auto;}


#descargar-pdf3{width: 160px;height: 49px;margin: 10px 0px 0px 32px;float: left;background-color: white;}
#descargar-pdf3 a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris3{width: 225px;height: 400px;margin: 0px 0px 0px 70px;background-color:white;float: left;color: blue;
font-family: arial;text-decoration:underline;font-size: 1.3em;}

#foto-pdf3{width: 190px;height: 250px;float:left;margin:5px 0px 0px 17px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf3 a{text-decoration: none;padding:10px 0px 0px 10px;}



#descargar-pdf4{width: 160px;height: 49px;margin: 10px 0px 0px 35px;float: left;background-color: white;}
#descargar-pdf4 a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris4{width: 240px;height: 400px;margin: 0px 0px 0px 40px;background-color: white;float: left;color: blue;
font-family: arial;font-size: 1.3em;}

#foto-pdf4{width: 190px;height: 250px;float:left;margin:5px 0px 0px 20px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf4 a{text-decoration: none;padding:10px 0px 0px 10px;}




#descargar3{width: 900px;height: 330px;float:left;background-color:white;margin: 0px auto;}


#descargar-pdf5{width: 160px;height: 49px;margin: 10px 0px 0px 30px;float: left;background-color: white;}
#descargar-pdf5 a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris5{width: 220px;height: 400px;margin: 0px 0px 0px 50px;background-color: white;float: left;color: blue;
font-family: arial;text-decoration:underline;font-size: 1.3em;}

#foto-pdf5{width: 190px;height: 250px;float:left;margin:5px 0px 0px 15px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf5 a{text-decoration: none;padding:10px 0px 0px 10px;}



#descargar-pdf6{width: 160px;height: 49px;margin: 10px 0px 0px 47px;float: left;background-color: white;}
#descargar-pdf6 a {
width: 160px;  /* Ancho de la imagen */
height: 49px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/descargar/descargar-letra/descarg.png) ;border-radius:0px; background-repeat: no-repeat; /* Imagen en estado normal */
}


#gris6{width: 260px;height: 400px;margin: 0px 0px 0px 70px;background-color: white;float: left;color: blue;
font-family: arial;text-decoration:underline;font-size: 1.3em;}

#foto-pdf6{width: 190px;height: 250px;float:left;margin:5px 0px 0px 30px;background-repeat: no-repeat;
background-position: center center;background-color: white;border:1px grey solid;border-radius:10px;}

#foto-pdf6 a{text-decoration: none;padding:10px 0px 0px 10px;}





#boton-volver{width: 120px;height: 80px; background-color:white;float:left;margin: 0px 0px 0px 0px;}

#boton-volver a {
width: 120px;  /* Ancho de la imagen */
height: 80px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/botones-volver/flecha1.png) no-repeat; /* Imagen en estado normal */
}

#boton-volver a:hover {
background: url(fotos/fotos-escaleras/botones-volver/flecha2.png) no-repeat; /* Imagen en estado hover */
}

#boton-volver2{width: 120px;height: 80px; background-color:white;float:left;margin: 0px 0px 0px 780px;}

#boton-volver2 a {
width: 120px;  /* Ancho de la imagen */
height: 80px; /* Alto de la imagen */
display: block;
background: url(fotos/fotos-escaleras/botones-volver/flecha1.png) no-repeat; /* Imagen en estado normal */
}
 
#boton-volver2 a:hover {
background: url(fotos/fotos-escaleras/botones-volver/flecha2.png) no-repeat; /* Imagen en estado hover */
}