body {
    font-size:medium;
    font-family:"Arial,Helvetica,sans-serif";
    background-color:black;
    color:white;
    margin:10px;
}

h1 {font-size:x-large;color:#00CC00;text-align:center;}
h2 {font-size:larger;color:#00CC00;}
h3 {font-size:large;color:#00CC00;}

a:link {color:purple;}
a:hover {color:red;font-weight:bold;}
a:visited {color:cyan;}