.advert-last-video {
    padding: 20px 0 0 0;
    position:relative;
    margin:50px auto 0 auto;
}

.advert-last-video div:before {
    width:100%;
    border-top:2px solid #ddd;
    content: 'Advertisement';
    position: absolute;
    display: inline-block;
    text-align: left;
    text-transform: uppercase;
    color: #999;
    font-size: 9px;
    font-family: "Oswald", sans-serif;
    font-weight: 300;
    letter-spacing: 1px;
    top: -14px;
    left: 0;
    z-index: 2;
}

.advert-last-video div {
    height: auto !important;
    margin-top:-14px;
}

.advert-last-video div, .advert-last-video div iframe {
    width: 100% !important;
}

@media screen and (max-width: 480px) {
    .advert-last-video {
        margin-left:20px;
        margin-right:20px;
        height:280px;
    }
}