janus-controls-analog {
  display: block;
  position: relative;
  border: 1px solid black;
  width: 100px;
  height: 100px;
  border-radius: 50px;
  margin-left: 10px;
  margin-bottom: 10px;
  cursor: -webkit-grab;
  cursor: grab;
  z-index: 10;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,.1);
}
janus-controls-analog[top][left] {
  transform: translate(0,0);
}
janus-controls-analog[top][right] {
  transform: translate(-100%,0);
}
janus-controls-analog[bottom][left] {
  transform: translate(5%,-95%);
}
janus-controls-analog[bottom][right] {
  transform: translate(-95%,-95%);
}
janus-controls-analogstick {
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 10px;
  border: 1px solid red;
}
janus-controls-button {
  display: block;
  text-align: center;
  vertical-align: middle;
  border: 1px solid black;
  width: 80px;
  height: 80px;
  line-height: 80px;
  border-radius: 40px;
  background: #900;
  transition: transform linear 40ms;
  cursor: pointer;
  transform: translate(-50%, -50%);
}
janus-controls-button[top][left] {
  transform: translate(0,0);
}
janus-controls-button[top][right] {
  transform: translate(-100%,0);
}
janus-controls-button[bottom][left] {
  transform: translate(0,-100%);
}
janus-controls-button[bottom][right] {
  transform: translate(-100%,-100%);
}
janus-controls-button[pressed] {
  background: #f00;
  transform: translate(-50%, -50%) scale(.9);
}
janus-controls-button[top][left][pressed] {
  transform: translate(0,0) scale(.9);
}
janus-controls-button[top][right][pressed] {
  transform: translate(-100%,0) scale(.9);
}
janus-controls-button[bottom][left][pressed] {
  transform: translate(0,-100%) scale(.9);
}
janus-controls-button[bottom][right][pressed] {
  transform: translate(-100%,-100%) scale(.9);
}