body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #1a1a1a;
    margin: 0;
}

.quiz-container {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 600px;
}

button {
    background: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

.header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
}

#options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option {
    background: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
}

.option:hover {
    background: #e9ecef;
}

#feedback {
    margin-top: 1rem;
    font-weight: bold;
}