body {
  position: fixed;
  height: 100%;
  overflow: hidden;
}

canvas {
  position: absolute;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
}

.mask {
  position: absolute;
  z-index: 2;
  background: white;
  height: 100vh;
  width: 100vw;
  mix-blend-mode: screen;
  /* display: none; */
}

svg {
  width: 90%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}