* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  overflow: hidden;
}

#three-canvas {
  position: fixed;
  top: 0;
  left: 0;
  outline: none;
}

#file-input {
  z-index: 1;
  position: absolute;
}