.fade-in {
    --duration: $fade-in-transition-duration;
    animation-name: fadeIn;
    animation-timing-function: ease-in;
    animation-duration: var(--duration);
    animation-fill-mode:both;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.roll-in {
    --duration: $roll-in-transition-duration;
    animation-name: rollIn;
    animation-timing-function: ease-in;
    animation-duration: var(--duration);
    animation-fill-mode:both;
}

@keyframes rollIn {
    0% {
        opacity: 0;
        transform:translateX(-100%);
    }
    100% {
        opacity: 1;
        transform:translateX(0);
    }
}