body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

#app {
    max-width: 600px;
    margin: auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

.question-block {
    margin-bottom: 20px;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 4px;
}

button {
    margin-top: 10px;
    padding: 5px 10px;
    cursor: pointer;
}

#output {
    margin-top: 20px;
    background: #f9f9f9;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 8px;
}