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

#hmi_stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#hmi_app {
  position: absolute;
  width: 1280px;
  height: 720px;
  transform-origin: top left;
}