.rutube-embed-wrapper,
.vkontakte-embed-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    margin: 0 auto;
}

.rutube-embed-wrapper iframe,
.vkontakte-embed-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}