@media print {
  #logo {
      display: none;
  }
}

.div_central {
    width: 800px; 
    margin: 0 auto;
}

#principal {
   position:relative;
   width: 100%; 
   height: 100%;
}

#logo div {
	width: 800px;
	float:left; 
	text-align:left;
}

#logo span {
	font-family: serif; 
	font-size: 11pt; 
	text-decoration: none; 
	color: black; 
	text-transform: uppercase;
	/*margin-right: 5px;*/
	top: 0; 
}

#logo {
	margin: auto; 
	width: 800px;
	height: 35px;
	background-image: none;
	/*text-align: left;*/
}

#principal {
	width: 1000px;
}

#content  {
	width: 808px;
}