body {background-color:white; color:black}
h1 {text-align:center; font-family:'Comic Sans MS',sans-serif; color:red;}
p {font-family:'Courier New',monospace;}
.centrado {text-align:center;}
#foto {padding:1ex; border:red ridge 1ex;}
#navigation {text-align:center;}
#navigation a {background-color:silver; text-decoration:none;}
#navigation a:hover {background-color:white; text-decoration:underline;}