:root{
  --ny-bg: #071225;
}
html, body{
  height: 100%;
  background: radial-gradient(1200px 700px at 30% 10%, rgba(90,170,255,.12), transparent 60%),
              radial-gradient(900px 500px at 90% 0%, rgba(255,210,120,.08), transparent 65%),
              var(--ny-bg);
  color: var(--ny-text);
}
#ny-snow{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

@media (prefers-reduced-motion: reduce){
  #ny-snow{ display:none; }
}