#wrapper { background: transparent; }  /* this took care of grey background in IE */

a { color: #0F67A1; text-decoration: none; }
a:hover { text-decoration: underline; }
  
  /* relevant for the tutorial - start */
  #gallery { position: relative; }
    #pictures { position: relative; height: 408px; }
    #pictures img { position: absolute; top: 0; left: 0; }
    
    #prev, #next { margin-top: 30px; text-align: center; font-size: 2.0em; }
  /* relevant for the tutorial - end */