.views-field-field-video .field-content a:before {
    background-attachment: scroll;
    background-clip: border-box;
    background-color: transparent;
    background-image: url("/sites/default/files/images/video-play-overlay.png");
    background-origin: padding-box;
    background-position: 0 0;
    background-repeat: no-repeat;
    background-size: auto auto;
    content: " ";
    height: 100%;
    position: absolute;
    width: 100%;
}