body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #1a1a1a;
    color: #e0e0e0;
}

#question-container {
    background-color: #2a2a2a;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.option {
    margin: 10px 0;
}

button {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #45a049;
}

button:disabled {
    background-color: #666666;
    cursor: not-allowed;
}

#stats {
    font-weight: bold;
    margin-bottom: 20px;
}

#result {
    margin-top: 10px;
    font-weight: bold;
}

#startButton, #checkButton {
    display: inline-block;
    margin-right: 10px;
}

#checkButton {
    display: none;
}

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

label {
    color: #e0e0e0;
}