body { background-color: #D0D0D0;
       background-image: url(bilder/blue-logo.jpg);
       background-repeat: no-repeat;
       background-position: top center;
       font-family: Arial, Helvetica, sans-serif;
       color: #000000; }
      
a:link, a:visited, a:active    { color:blue; 
                                 text-decoration:none; }

a:hover   { color:black; 
            text-decoration:underline; }

img { border: none }

#big { width: 640px;
       height: 480px }

#medium { width: 320px;
          height: 240px }

ul { list-style-type:disc }