body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
}

.container {
    width: 60%;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.step {
    display: none;
}

.step.active {
    display: block;
}

button {
    background-color: #007BFF;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

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

.option {
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #007BFF;
    border-radius: 5px;
    cursor: pointer;
}

.option.selected {
    background-color: #007BFF;
    color: white;
}