/* styles.css */
.video-js {
    width: 100%;
    height: 0;
    padding-top: 56.25%; /* 9/16 = 0.5625 */
    position: relative;
    border-radius: 15px;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.1);
}
.video-js .vjs-tech {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}