#site_frame_div_id {
  position: relative;
  border: 0.1667em solid #0D375E;
  width: 50em;
  margin: 2em auto;
}

#stelling_div_id {
	display: none;
}

#menu {
	display: none;
}
#content_div_id {
  position: relative;
  border: 0.0833em solid #0D375E;
  border-bottom: 0px;
  padding: 1em;
  top: 0px;
  width: auto;
  left: 0px;
}

#left_frame_div_id {
	display:none;
}