/* Keyframes para animações */
@keyframes opacity1 {
    0% {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInLeft {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(-100%, 0, 0);
        transform: translate3d(-100%, 0, 0);
    }

    to {
        opacity: 1;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

@keyframes fadeInRight {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(100%, 0, 0);
        transform: translate3d(100%, 0, 0);
    }

    to {
        opacity: 1;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

@keyframes fadeInTop {
    0% {
        opacity: 0;
        -webkit-transform: translateY(-100%);
        transform: translateY(-100%);
    }

    to {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

@keyframes fadeInBottom {
    0% {
        opacity: 0;
        -webkit-transform: translateY(100%);
        transform: translateY(100%);
    }

    to {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }
}

/* classes */

.animar.visivel * {
    animation: fadeInBottom 1s normal;
}