body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    text-align: center;
}

.quiz-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 350px;
}

.instructions {
    font-size: 14px;
    margin-bottom: 20px;
}

.btn-container {
    display: flex;
    flex-direction: column;
}

button {
    margin: 5px;
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

button#start-button {
    background-color: blue;
    color: white;
}

button.correct {
    background-color: green;
    color: white;
}

button.wrong {
    background-color: red;
    color: white;
}

.hidden {
    display: none;
}

h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

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

em {
    font-style: italic;
    font-weight: normal;
}