.video_block {
    max-width: 800px;
    position: relative;
    margin: 25px auto;
    cursor: pointer   
}

.video_block  div {
    position: relative;
    padding-bottom: 62.25%;
    height: 0;
    overflow: hidden;
    padding-top: inherit;
}

.video_block iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-width: 0;
    outline-width: 0
}

.b_treatment_clinic .clinic_content .video_block img,
.video_block img {
    float: none;
    display: block;
    margin: auto;
    min-width: 100%;
    height: auto;
}