*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}#root{width:100vw;height:100vh;overflow:hidden}.video-container{position:fixed;top:0;left:0;width:100vw;height:100vh;overflow:hidden;background-color:#000;display:flex;align-items:center;justify-content:center}.fullscreen-video{width:100%;height:100%;object-fit:contain;aspect-ratio:16 / 9}