body {margin: 5px; color: black; background: white;
   font-family: Times New Roman, Times, serif;}

h1,h2,h3,h4,h5,h6 { font-family: arial,helvetica,sans-serif;
                    font-weight: bold; color: black; margin: 0.5em;}
h1 {text-align: center; }
h1 {font-size: 2.2em; }
h2 {font-size: 1.5em; } 
h3 {font-size: 1.5em; }
h4 {font-size: 1.25em; }
h5 {font-size: 1em; }
h6 {font-size: 0.75em; }

a:link {color: black; background: white;}
a:visited {color: black; background: white;}

p.equation {text-align: center}
div.equation {text-align: center}

table.eq {width: 100%;}
td.center {text-align:center}
td.eqno {width: 1em;}
td.right {text-align:right}

address {background: white; color: black;}

div.newbanner {display: none;}
div#header {width: 100%; border-bottom: 2px solid black;}
div#footer {width: 100%; font-size: 90%; 
   border-top: 2px solid black; border-bottom: 2px solid black;}

img#validxhtml {display: none;}
img#validcss {display: none;}