body {margin: 5px; color: black; background: white;
 font-family: Arial,helvetica,sans-serif;}

h1,h2,h3,h4,h5,h6 { font-family: arial,helvetica,univers,sans-serif;
                    font-weight: bold; background:white}
h1 {text-align: center}
h1 {font-size: 2.0em; color: #0000d0; margin-top: 0.5em;}
h2 {font-size: 1.5em; color: #0000a0} 
h3 {font-size: 1.5em; color: #000080}
h4 {font-size: 1.25em; color: #000060}
h5 {font-size: 1em; color: #000040}
h6 {font-size:  0.75em; color: #000020}

p.input {font-family:monospace; white-space: pre}
p.equation {text-align: center; font-family: monospace; white-space: pre}
div.equation {text-align: center; font-family: monospace; white-space: pre}
p.quote {margin-left: 5em;}
p.q {font-size: 1em; font-weight: bold}
p.a {font-size: 1em; font-weight: normal}

table.centered {text-align: center}
table.eq {width: 100%;}

td.center {text-align:center}
td.right {text-align:right}
td.eqno {width: 1em;}

address {background: white; color: black; line-height: 1em;}

a:hover {background: yellow; color: black;}

nav {margin: 0.25em;}
div.crumb {margin: 0.25em;}
div.section {font-size: 1.25em; font-weight: bold;}
div.newbanner {width: 100%; background: blue; color: white;
  font-size: 120%;
  font-family: Verdana,Arial,Helvetica, sans-serif; text-align: right;}
div#header {width: 100%; border-bottom: 3px solid blue;
   padding-top: 3px; padding-bottom: 3px; }
div#footer {width: 100%; font-size: 90%; 
   border-top: 3px solid red; border-bottom: 3px solid red;
   padding-top: 3px; padding-bottom: 3px;}

img {float: right;}
img#valid401 {position: absolute; right: 0; border: 0;}
img#validxhtml {position: absolute; right: 0; border: 0;}