.fade{

    animation:fade .5s;

}

@keyframes fade{

    from{

        opacity:0;

        transform:translateY(25px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

@keyframes flutuar{

    0%{

        transform:translateY(0);

    }

    50%{

        transform:translateY(-12px);

    }

    100%{

        transform:translateY(0);

    }

}