body {
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 20px;
    padding: 10px;
}

form {
    display: inline-block;
    text-align: left;
    max-width: 400px;
    width: 100%;
}

label.option {
    display: flex;
    align-items: center;
    margin: 5px 0;
}

input[type="radio"] {
    margin-right: 10px;
}

button {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.error {
    color: red;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    background: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.button:hover {
    background: #218838;
}

@media (max-width: 600px) {
    body {
        font-size: 18px;
    }
    form {
        width: 90%;
    }
}