body{font-family:Arial,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh;background-color:#f0f0f0;margin:0}.container{background:#fff;padding:20px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.1);text-align:center}h1{margin-bottom:20px}button,input,select{margin:10px 0;padding:10px;width:100%;box-sizing:border-box}button{background-color:#007bff;color:#fff;border:none;cursor:pointer;border-radius:5px}button:hover{background-color:#0056b3}a{margin-top:20px;display:inline-block;padding:10px;background-color:#28a745;color:#fff;text-decoration:none;border-radius:5px}