body{background-color:#f4f4f4;color:#333;font-family:Arial,sans-serif;margin:0}.container{display:grid;height:100vh;margin:0 auto;max-width:800px;padding:10px;place-content:center;place-items:center;text-align:center;width:100%}.button{background-color:#007bff;border-radius:5px;color:#fff;display:inline-block;padding:10px 20px;text-decoration:none;transition:background-color .3s ease}.button:hover{background-color:#0056b3}