body {background-image:url("sfondo.gif")}
h1, h3, h4 {color:black; font-family:arial; text-align:center}
table {color:black; font-family:comic Sans Ms; border:1px solid black;}
table.tabclass {color:blue; font-family:arial; font-weight:bold;}
p {color:blue; font-family:arial; font-weight:bold; text-align:center}
table.tabclass2 {border:0px}
.classgrad {color:red; font-family:arial; text-align:center}