BODY {
        margin-top:     1em;
        margin-left:    140px;
        margin-right:   1em;
        margin-bottom:  1em;
        color:          black;

        background-color:      white;
        background-position:   top left;
        background-attachment: fixed;
        background-repeat:     repeat-y;
        background-image:      url(http://www.cwi.nl/~media/cwi-background.jpg);
}

:link   {
   background-color: white;
   color:            red;
}

:visited {
   background-color: white;
   color:            #ff2020;
}

H1,H2,H3,H4 {
   background-color: white;
   color:            black;
}

.comment {
   background-color: white;
   font-style:       italic;
   color:            red;
}

.right { 
float: right; }
.left { 
float: left; }