body {
  background-image: url(../imagenes/fondo.png);
  background-repeat: no-repeat;
  background-size: 100% 100%; 
  background-position: center;
  background-attachment: fixed;
  margin: 0;
  height: 100vh;
}

.snow-wrap {
  position: fixed;
  inset: 0;
  pointer-events: none; 
  z-index: -1; 
  overflow: hidden;
}

.flake {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-image: url('../imagenes/copo.png'); 
  opacity: 0.9;
}