/* Effet de neige pour la période de Noël */
.snowflake {
    position: fixed;
    top: -10px;
    z-index: 9999;
    user-select: none;
    cursor: default;
    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;
    color: #fff;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.8);
    font-size: 1em;
}

.snowflake:nth-of-type(0) {
    left: 1%;
    animation-delay: 0s, 0s;
}

.snowflake:nth-of-type(1) {
    left: 10%;
    animation-delay: 1s, 1s;
}

.snowflake:nth-of-type(2) {
    left: 20%;
    animation-delay: 6s, 0.5s;
}

.snowflake:nth-of-type(3) {
    left: 30%;
    animation-delay: 4s, 2s;
}

.snowflake:nth-of-type(4) {
    left: 40%;
    animation-delay: 2s, 2s;
}

.snowflake:nth-of-type(5) {
    left: 50%;
    animation-delay: 8s, 3s;
}

.snowflake:nth-of-type(6) {
    left: 60%;
    animation-delay: 6s, 2s;
}

.snowflake:nth-of-type(7) {
    left: 70%;
    animation-delay: 2.5s, 1s;
}

.snowflake:nth-of-type(8) {
    left: 80%;
    animation-delay: 1s, 0s;
}

.snowflake:nth-of-type(9) {
    left: 90%;
    animation-delay: 3s, 1.5s;
}

.snowflake:nth-of-type(10) {
    left: 25%;
    animation-delay: 2s, 0s;
}

.snowflake:nth-of-type(11) {
    left: 65%;
    animation-delay: 4s, 2.5s;
}

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

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