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

.question {
    margin-bottom: 20px;
    font-size: 18px;
}

.answer {
    margin-bottom: 20px;
}

.result {
    font-weight: bold;
    font-size: 18px;
}

button {
    margin-right: 10px;
    padding: 15px 20px;
    font-size: 18px;
    border-radius: 5px;
    cursor: pointer;
    border: 1px solid #000;
    background-color: #f0f0f0;
}

button:active {
    background-color: #ccc;
}