.container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}h1{font-size:3rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.message{font-size:1.5rem;padding:1rem 2rem;background:#fff3;border-radius:8px;margin-bottom:1rem}.info{font-size:1rem;opacity:.9}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;height:100vh}