.control-iframe .iframe-introduction {
    margin: 0 0 40px;
}

.control-iframe .iframe-wrap {
    position: relative;
    padding: 56.25% 0 0;
}

.control-iframe .iframe-wrap iframe {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}