.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: 53%;
    }
}

.thumbnail {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 53%;
    background-size: cover;
    background-position: center;
    cursor: pointer;
}
  
.thumbnail::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 45px;
    height: 45px;
    background: url('/assets/img/play.png') no-repeat;
    background-size: contain;
    transform: translate(-50%, -50%);
    opacity: .3;
}
.thumbnail:hover::before {
    opacity: .85;
}