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

#gameWorld {
  width: 100%;
  height: 100%;
  position: relative;
  background-color: black;
}

#controls {
  pointer-events: none;
  position: absolute;
  bottom: 0;
  left: 0;
  height: 300px;
  z-index: 1;
  color: #585061;
  font: 2em "Tahoma";
  font-weight: bold;
  background: linear-gradient(rgb(0, 0, 0, 0), rgba(0, 0, 0));
  align-items: flex-end;
  display: flex;
  padding-bottom: 20px;
  padding-left: 20px;
  padding-right: 20px;
}

#coords {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  color: #dad8dd;
  font: 2em "Tahoma";
  font-weight: bold;
  align-items: flex-end;
  display: flex;
  padding-top: 20px;
  padding-left: 20px;
}