@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.85);
    }
}

@keyframes showFade {
    from {
        opacity:0;
    }
    to {
        opacity:1;
    }
}

@keyframes hideFade {
    from {
        opacity:1;
    }
    to {
        opacity:0;
    }
}

@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dropupFade {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes apesanteur {
    0% {
        transform: translateY(2px);
    }
    25% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(2px);
    }
    75% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(2px);
    }
}