div.intro {
  clear:both;
  float:top;
  width:100%;
}


div.navigator {
  clear:both;
  float:bottom;
  width:100%;
  text-align:center;
}

img {
  margin:5px;5px;5px;5px;
}

hr {
  clear:both;
  padding:2px;0px;2px;0px;
  margin:5px;0px;5px;0px;
}

hr.invisible {
  visibility:hidden;
}


a {
background-color: #000000;
color: #00FF00;
}

body {
background-color: #000000;
color: #FFBF00;
}