html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

#floating-panel {
  position: absolute;
  top: 5px;
  right: 10%;
  z-index: 5;
  background-color: #fff;
  padding: 1px;
  border: 1px solid #999;
  text-align: center;
  font-family: 'Roboto','sans-serif';
  line-height: 20px;
  padding-left: 2px;
}

#terug {
  position: absolute;
  top: 5px;
  right: 1%;
  z-index: 5;
  background-color: #fff;
  padding: 1px;
  border: 1px solid #999;
  text-align: center;
  font-family: 'Roboto','sans-serif';
  line-height: 20px;
  padding-left: 2px;
}

.off { 
  border:1px outset;
  color:#369;
  background:#efefef; 
}

.on {
  border:1px outset;
  color:#369;
  background:#f9d543; 
}