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

@keyframes leftToRight {
    0% {
        opacity: 0;
        left: -200px;
    }
    100% {
        opacity: 1;
        left: 0;
    }
}

@keyframes rightToLeft {
    0% {
        opacity: 0;
        right: -200px;
    }
    100% {
        opacity: 1;
        right: 0;
    }
}

@keyframes bottomToTop {
    0% {
        opacity: 0;
        bottom: -200px;
    }
    100% {
        opacity: 1;
        bottom: 0;
    }
}

@keyframes moveInfinite {
    0% {
        opacity: 1;
        top: 0px;
    }
    50% {
        opacity: .4;
        top: -6px;
    }
    100% {
        top: 0;
        opacity: 1;
    }
}