.reveal {
    transition: 1s ease;
    -webkit-transition: 1s ease;
    -moz-transition: 1s ease;
    -ms-transition: 1s ease;
    -o-transition: 1s ease;
}

.reveal.reveal_bottom {
    opacity: 0;
    transform: translateY(100px);
    -webkit-transform: translateY(100px);
    -moz-transform: translateY(100px);
    -ms-transform: translateY(100px);
    -o-transform: translateY(100px);
}



.reveal.active {
    opacity: 1;
    transform: translate(0, 0) scale(1);
    -webkit-transform: translate(0, 0) scale(1);
    -moz-transform: translate(0, 0) scale(1);
    -ms-transform: translate(0, 0) scale(1);
    -o-transform: translate(0, 0) scale(1);
}