.map canvas { position: absolute; top: 0; left: 0; width: 100%; }
.map svg { position: absolute; top: 0; left: 0; width: 100%; }
rect.overlay { fill: transparent; }
.wrapper { position: relative; }
.wrapper:after {
  padding-top: 100%;
  display: block;
  content: '';
}
.wrapper .buttons {
  position: absolute;
  left: 5px;
  top: 5px;
  opacity: 0.75;
  z-index: 2;
}
/*.contextMenu {
  position: absolute;
  left: 0px;
  top: 0px;
  background-color: #fff;
  color: #000;
  padding: 10px;
  z-index: 20;
  opacity: 0.90;
  display: none;
}*/
.contextMenu {
}