BODY {
   font: 11pt Verdana, Geneva, Arial, Helvetica, sans-serif;
   margin: 10 0 10 0px;
   text-align: center;
   background-color: #223741;
}
#contenedor{
   text-align: left;
   width: 1024px; 
   margin: auto;     
}
#cabecera{
   background-color: #000000;
   color: #333300; 
   padding: 0 0 0 0px;
}
#botonera{
   color: #333300; 
   padding: 0 0 0 0px;
   background-image: url(images/cenefa4.jpg); 
}
#cuerpo{
   margin: 0 0 0 0px;
   color: #ffffff;
   /*background-image: url(images/gris.jpg);*/
   background-color: #dbdbdd;
   
}
#principal{
   color: #000000;
   padding: 4 4 4 4px; 
}
#pie{
   background-color: #000000;
   color: #ffffff;
   padding: 3 10 3 10px;
   text-align:right;
   clear: both;
   }
#botonera{
  /* background-color: #cccccc; */
   padding: 0 0 0 0px;
   clear: both;
   }