 wide by 100px tall.
  The largest size that can fit inside it with a 1:1 ratio
  is 100px by 100px. So, the background image should be
  scaled to 100px by 100px.
  */
  }

  div#overlapping-green
  {
  background-image: url("support/50x50-green.png");
  background-repeat: no-repeat;
  background-size: cover;
  border-right: transparent solid 50px;
  bottom: 100px;
  height: 50px;
  padding: 25px;
  position: relative;
  width: 0px;

  /*
  background positioning area to cover is 50px wide by
  100px tall.