.flake {
    position: absolute;
    top: -10px;
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    filter: blur(1px);
    animation: fall linear infinite;
}

@keyframes fall {
    0% { transform: translateY(-10vh) translateX(0); opacity: 1; }
    100% { transform: translateY(110vh) translateX(20px); opacity: 0.3; }
}


.flake:nth-child(1) { left: 5%; animation-duration: 8s; animation-delay: -2s; opacity: 0.7; }
.flake:nth-child(2) { left: 15%; width: 5px; height: 5px; animation-duration: 12s; animation-delay: -8s; }
.flake:nth-child(3) { left: 25%; animation-duration: 10s; animation-delay: -4s; }
.flake:nth-child(4) { left: 35%; width: 6px; height: 6px; animation-duration: 14s; animation-delay: -10s; }
.flake:nth-child(5) { left: 45%; animation-duration: 9s; animation-delay: -1s; opacity: 0.6; }
.flake:nth-child(6) { left: 55%; width: 4px; height: 4px; animation-duration: 11s; animation-delay: -6s; }
.flake:nth-child(7) { left: 65%; animation-duration: 13s; animation-delay: -3s; }
.flake:nth-child(8) { left: 75%; width: 7px; height: 7px; animation-duration: 15s; animation-delay: -9s; }
.flake:nth-child(9) { left: 85%; animation-duration: 10s; animation-delay: -5s; opacity: 0.8; }
.flake:nth-child(10) { left: 95%; width: 5px; height: 5px; animation-duration: 12s; animation-delay: -11s; }
.flake:nth-child(11) { left: 10%; animation-duration: 16s; animation-delay: -7s; }
.flake:nth-child(12) { left: 60%; width: 3px; height: 3px; animation-duration: 18s; animation-delay: -1s; }
.flake:nth-child(13) { left: 30%; animation-duration: 14s; animation-delay: -13s; }
.flake:nth-child(14) { left: 80%; width: 6px; height: 6px; animation-duration: 9s; animation-delay: -4s; }
.flake:nth-child(15) { left: 50%; animation-duration: 11s; animation-delay: -8s; }