:root{
  --smoke-density: 1.2;
  --smoke-intensity: 0.70;
}
.smoke-layer-canvas{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:2;
  filter: blur(1.1px);
  opacity: var(--smoke-intensity);
  mix-blend-mode: screen;
  will-change: transform, opacity;
  display:block;
}
html.smoke-fixed .smoke-layer-canvas{
  position:fixed;
  top:0;left:0;width:100vw;height:100vh;
}