<style type="text/css">

body
{color: black;
font-family: sans-serif;
link: maroon;
alink: yellow;
vlink: blue;
left-margin: 5%;
right-margin: 5%}

h1
{color: blue;
font-family: arial;
text-align: center;}

h2, h3
{color: blue;}

p
{text-align: center;
font-weight: bold;}

.l {text-align: left;
      font-size: 110%;
     font-weight: bold; }

.r {text-align: right;
      font-size: 110%;
     font-weight: bold; }

.nav
{border: thin solid black;
padding: 1%;
text-align: center;
font-weight: bold;}

hr {color: purple; }

rules {color: solid purple; }

</style>