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

h1,h2,h3,h4,h5,h6 { font-family: arial,helvetica,univers,sans-serif;
                    font-weight: bold; background: white; margin: 0.5em;}
h1 {text-align: center}
h1 {font-size: 200%; color: #0000d0;}
h2 {font-size: 170%; color: #0000a0;} 
h3 {font-size: 140%; color: #000080;}
h4 {font-size: 120%; color: #000060;}
h5 {font-size: 110%; color: #000040;}
h6 {font-size: 100%; color: #000020;}

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; line-height: 1em;}

a:hover {background: #FFA; color: black;}
div.newbanner {width: 100%; background: blue; color: white;
  font-size: 120%;
  font-family: Verdana,Arial,Helvetica, sans-serif; text-align: right;}

div.crumb {margin: 0.25em;}
div#header {width: 100%; border-bottom: 3px solid blue;}
div#footer {width: 100%; font-size: 90%; 
   border-top: 3px solid red; }

img#validxhtml {border: 0; float: right;}