*{
  margin: 0;
  padding: 0;
}

body{
  width: 100vw;
  height: 100vh;
  position: relative;
  padding-top: 100px;
  overflow: hidden;
}

video{
  position: absolute;
  top:40px;
  left:40px;
  /* border: 1px solid pink; */
}
canvas{
  position: absolute;
  top:40px;
  left:40px;
  z-index: 99;
}