body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.survey-container {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 500px;
}

#question-container h2 {
    margin-top: 0;
}

.option {
    display: block;
    padding: 0.75rem 1.25rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.option:hover {
    background-color: #eee;
}

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

#submit-btn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 1rem;
}

#submit-btn:hover {
    background-color: #218838;
}