body.in   { color: black;
            background: 
url(http://www.mathematik.uni-stuttgart.de/~mehrskalen/Logos/amsmsp.jpg) 
rgb(100%,100%,100%) fixed repeat 50% 50% }
body.out  { color: black;
            background-color: rgb(54%,54%,90%) }

A:link    { color: rgb(0%,0%,70%) }
A:active  { color: rgb(100%,100%,80%) }
A:visited { color: rgb(0%,0%,50%) }