html,body {font-family:arial,sans-serif; color:#6f7d87; text-align:center; padding:0; margin:0; font-size:8pt; height:100%;}
table {margin:0 auto;}
td, th {padding: 0;}
img {border:0;}

.fondo1 {background:#99ccff url('../imagenes/fondo1.jpg'); background-repeat:repeat-y; background-position:top right;}
.fondo2 {background:#99ccff url('../imagenes/fondo2.jpg'); background-repeat:repeat-y; background-position:top left;}

div#izquierda {width:140px; text-align:left;}

div#navegador {background:#047fc1; background-image:url("../imagenes/up01.jpg"); background-repeat:no-repeat; padding:30px 0 0 0;}
div#navegador2 {background:#047fc1; background-image:url("../imagenes/down01.jpg"); background-repeat:no-repeat; padding:20px 0 0 0;}

.navenlace {border:0; margin:1px 2px 0 2px; padding:0;}
.navenlace a {background:#c5eafa; color:#047fc1; text-decoration:none; font-weight:bold; display:block; width:100%; padding-top:2px; padding-bottom:2px;} 
.navenlace a:hover {background: #047fc1; color: #c5eafa;}

.navenlace2 {border:0; margin:1px 2px 0 2px; padding:0;}
.navenlace2 a {background:#eef0f2; color:#6f7d87; text-decoration:none; display:block; width:100%; padding-top:2px; padding-bottom:2px;} 
.navenlace2 a:hover {background: #6f7d87; color: #eef0f2;}

.contenido2b {border: 0; margin:0; padding: 0;}
.contenido2b a {background-image:url("../imagenes/volverA.jpg"); background-repeat:no-repeat; font-size:20px; text-decoration:none; display:block; width: 100%; padding:0;} 
.contenido2b a:hover {background-image:url("../imagenes/volverB.jpg"); background-repeat:no-repeat; font-size:20px;}