.fireworks-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 3000;
  opacity: 0;
  transition: opacity 0.45s ease;
  contain: strict;
  will-change: opacity;
}

.fireworks-canvas.is-active {
  opacity: 1;
}