.ccctwoclick-video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
}
.ccctwoclick-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.ccctwoclick-video-container:after {
    clear:both;
}