.embed-responsive-custom::before {
    padding-top: 80vh;
}

img.center {
    position: absolute;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

img.contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

div.carousel-caption {
    text-shadow: 1px 1px 1px black, 0px 0px 2px black;
}