.container_lightbox_iframe {
    position: relative;
    margin: 0 auto;
    top: 50%;
    transform: translate(0, -50%);
    width: 70%;
    padding-top: 39%;
}

.container_lightbox_iframe iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.iframe {
    background-color: rgba(0, 0, 0, 0.2);
}

.iframe.loaded {
    background-color: rgb(0, 0, 0) !important;
    transition: .2s;
}

@media (max-width: 992px) {
    .container_lightbox_iframe {
        width: 100%;
        padding-top: 56%;
    }
}