html {
  /* Remove touch delay: */
  touch-action: manipulation;
}

body {
  background: #0d1011;
}

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

.screen_splitter {
  position: absolute;
  height: 100vh;
  width: 50vw;
}

.screen_splitter img {
  position: absolute;
  left: 50vw;
  width: 50vw;
}

iframe {
  margin-right: auto;
  margin-left: auto;
  display: block;
  position: absolute;
  box-sizing: border-box;
  top: 0;
  left: 0;
  width: 50vw;
  height: 100vh;

  border: none;

  /* canvas must be on top when visible */
  z-index: 1000;
}

* {
  font-family: sans-serif;
  color: #cad8de;
}