#building{
  /*
  background-image: url( '/images/building.jpg' );
  background-size: 100%;
  background-repeat: no-repeat;
  opacity: 0.7;
  width: 170px;
  height:170px;
  float: left;
  position: absolute;
  left: 50px;
  top: 5px;
  z-index: -1;
  overflow: auto;
  */
}