#sitio {
  width: 800px;
  margin: 0 auto;
}
h1 {  font-family: Arial, Helvetica, sans-serif; font-size: 18px; font-style: normal; color: #FFFFFF}
p {  font-family: Arial, Helvetica, sans-serif; font-size: 15px}
h2 {  font-family: Arial, Helvetica, sans-serif; font-size: 9px}h3 {  font-family: Arial, Helvetica, sans-serif; font-size: 11px}
h4 {  font-family: Arial, Helvetica, sans-serif; font-size: 10px; vertical-align: bottom; height: 10px; clip:  rect(   )}