body{margin:0;padding:40px 20px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;box-sizing:border-box}.container{text-align:center;max-width:640px;width:100%}video{max-width:100%;height:auto;margin:20px 0;display:block}