body,
html {
  margin: 0;
  padding: 0;
  background: #25252B;
}
* {
  touch-action: manipulation;
}
*,
*:before,
*:after {
  box-sizing: border-box;
}
body {
  position: relative;
  width: 100%;
  height: 100vh;
}
.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
#video_frames{
  position: absolute;
  top: 0;

  display: block;
  z-index: 0;
}
.output_canvas {
position: absolute;
  top: 0;

  display: block;
  z-index: 1;
}