body,html{margin:0;padding:0;font-family:Arial,sans-serif;background-color:#f9f9f9}#root{display:flex;flex-direction:column;align-items:center;min-height:100vh;text-align:center}.banner{width:100%;background-color:#004aad;color:#fff;padding:20px;font-size:1.8rem;font-weight:700}.tagline{margin-top:15px;font-size:1.2rem;color:#333}footer{margin-top:auto;width:100%;background-color:#222;color:#eee;padding:10px;font-size:.9rem}