.slideanim {
    visibility: hidden;
    visibility: visible\9;
}

.slideanim.slide {
    visibility: visible;
    animation: slide 1s;
}

.slideanim::after {
    content: "";
    display: table;
    clear: both;
}

@keyframes slide {
    0% {
        opacity: 0;
        transform: translateY(50%);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}