i {
  position: fixed;
  color: white;
  top: -10%;
  z-index: -10;
  animation-name: snowflakes-fall, snowflakes-shake;
  animation-duration: 10s, 3s;
  animation-timing-function: linear, ease-in-out;
  animation-iteration-count: infinite, infinite;
  animation-play-state: running, running;
  user-select: none;
  pointer-events: none;
  -webkit-user-select: none;
  -ms-user-select: none; 
  touch-action: none; 
}

@keyframes snowflakes-fall {
  0% {
    top: -10%;
  }
  100% {
    top: 100%;
  }
}

@keyframes snowflakes-shake {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(80px);
  }
  100% {
    transform: translateX(0px);
  }
}

#juego-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    z-index: -10;
}