BODY, TABLE, TD, DIV, P {
     font: 12px Verdana, Arial, Helvetica, sans-serif;
     }

BODY {
     background: #ecece8 url(gray_bg.gif);
     }

DIV.left-column {
     float: left;
     padding: 10px;
     width: 45%;
     }

DIV.right-column {
     float: right;
     padding: 10px;
     width: 45%;
     }

DIV.tutorial {
     padding: 20px;
     margin: 30px;
     width: 700px;
     background: white;
   }

DIV.goodies {
     padding: 10px;
     margin: 30px;
     width: 650px;
   }

DIV.figure {
    text-align: center;
    margin: 1em;
    }

H1, H2, H3 {
     font-weight: bold;
   }

H1 {
     font-size: 200%;
     line-height: 200%;
     text-align: center;
   }

H2 {
     font-size: 120%;
   }

H2.how-to {
     background-color: silver;
     font-size: 120%;
     line-height: 200%;
     text-align: center;
     width: 100%;
     border: 1px solid none;
     margin-top: 2em;
   }

H3 {
     font-size: 110%;
     margin-bottom: 2px;
   }

P.aside {
     font-size: 85%;
    }

P.announce {
     font-size: 110%;
     font-style: italic;
     text-align: center;
    }

P.copyright {
     font-size: 80%;
     text-align: center;
    }

P.toolbar {
     font-size: 85%;
     text-align: center;
     border-top: solid gray thin;
     padding-top: 5px;
     margin-top: 5px;
    }

P.tight {
    margin-top: 2px;
    margin-bottom: 2px;
    }

OL LI {
    margin-bottom: 1em;
    }


A:link    { color: #3e4e00; }
A:visited { color: #000700; }
A:active  { color: maroon;  }
A:hover   { color: maroon;  }