body
{
  background-image: url("../pictures/city_holl.jpg");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-attachment: fixed; width="1500">
}

#hall
{
  position:absolute;
  left:90%;
  top:60%;
}

#talk
{
  background-color: white;
  position:absolute;
  left:20%;
  top:40%;
}