.contenido{
  font-family:tahoma;
  color:#000000;
  font-size:12px;
}
.links{
  font-family:tahoma;
  color:#ff8000;
  font-size:12px;
}
.links:hover{
  font-family:tahoma;
  color:#ffffff;
  font-size:12px;
  background:#FF8000;
}
body{
  background-repeat : no-repeat;    
  background-image : url(/img/mxes.jpg); 
  background-size: 100% 100%; 
  background-attachment:fixed;  
  background-color: #ffffff;
}