#raiz {
  position: relative;
  width:780px;
  margin: 0.5em auto;
  border: 1px solid #000;
  text-align: left;
} 

#cabecera {
  position: relative;
  height: 145px;
  border-bottom: 1px solid #000000;
  background-image: url('../img/logo.jpg');
  background-color: #EEEEEE;
} 


#cabecera2 a {
  color: #000000;
  font-weight: bold;
  font-size: 12px;
  border: 1px solid #000000;
  padding: 2px 5px;
  margin: 0px 10px;
  background-color: #ffffff;
}

#centro {
  position: relative;
  width: 100%;
  background-color: #FFFFFF;
  background-image: url('../img/fondo_cuadros.gif');
} 

#izq { 
  padding-left: 55px;
  padding-right: 20px;
} 

#der {
  width:180px;
}

.caja_portada {
  border: 4px solid #f5f5f5;
}

#pie { 
  position:relative;
  width: 100%;
  background-color: #06143f;
  border-top: 1px solid #000;
  text-align: center;
  color: #ffffff;
}