html {
    height: 100%;
}

body, html {
    margin: 0 !important;
    padding: 0 !important;
}

body {
    background: black;
    flex: 1;
}

div.slide {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    /*animation: 3s linear 0s 1 alternate slide-in;*/
    opacity: 0%;
    transition: 1s;
}

div.slide.show {
    /*animation: 3s linear 0s 1 alternate slide-out;*/
    opacity: 100%;
}

div.slide.hide {
    /*animation: 3s linear 0s 1 alternate slide-out;*/
    opacity: 0%;
}

@keyframes slide-in {
    from {
        opacity: 0%;
    }
    to {
        opacity: 100%;
    }
}

@keyframes slide-out {
    from {
        opacity: 100%;
    }
    to {
        opacity: 0%;
    }
}

div.label {
    position: absolute;
    top: 0;
    left: 0;
    color: white;
    font-size: 20pt;
}

img {
    max-height: 100%;
    display: block;
}