body {  color: #000000;
        background-color: #dddddd;
        font-size: 11pt;
        font-family: "Skia", "Century Gothic", "Verdana", sans-serif;
	margin:0; padding:0;}

p {text-align: justify;}
p.eqn {text-align: center;}

table.tutorial_table {  margin-left: auto;
                        margin-right: auto;}
table.topics_list {font-size: 11pt; margin:10px; line-height:1.5em;}

td {text-align: left; vertical-align: top;}
td.sidebar {background-color: #000000;}
td.table_heading {font-weight: bold;}
td.banniere {background: #000000 url(banniere2.jpg) 0 0 no-repeat;
             font-size: 40pt; 
             color: #ffffff;vertical-align: middle;
             }

ul {list-style-type: square;}
li {margin-bottom: 10px;}

.cw {font-family: "Courier", sans-serif; color: #000000;}

a:link, a:visited, a:active {color: #000000; text-decoration: none;}
a:hover {color: #000000;}
a.text:link, a.text:visited, a.text:active {color: #0000ff; text-decoration: underline;}

img {border: none; vertical-align: middle;}

pre {color: #000000;}
.heading {font-weight: bold; font-size: large;}
.subheading {font-weight: bold;}
.reference {font-size: small;}