#matrix-intro {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: #000;
  transition: opacity 0.4s ease;
}

#matrix-intro canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#matrix-intro.matrix-hidden {
  opacity: 0;
  pointer-events: none;
}