body {
    background-color: #f5f5f5;
    font-family: Arial, sans-serif;
    text-align: center;
    padding-top: 100px;
}

.container {
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    padding: 40px;
    max-width: 400px;
    margin: auto;
}

h1 {
    color: #333;
    margin-bottom: 30px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 10px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}