body {background-image:url('christmas.gif'); font-family:arial,fantasy}
h1 {color:red; text-align:center}
h2 {color:green; text-align:center}
h3 {color:blue; text-align:center}
span.red {background:ffdddd; color:darkred}
span.green {background:ddffdd; color:darkgreen}
span.blue {background:ddeeff; color:darkblue}
span.thanks {color:blue; font-weight:bold}