body {
    font-family: Arial, sans-serif;
    background: #f0f0f0;
}

.container {
    width: 600px;
    margin: 50px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
}

h1 {
    text-align: center;
}

.question {
    font-size: 18px;
    margin-bottom: 15px;
}

.answers label {
    display: block;
    margin-bottom: 10px;
    cursor: pointer;
}

button {
    margin-top: 20px;
    padding: 10px 15px;
    font-size: 16px;
}

.hidden {
    display: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

td, th {
    border: 1px solid #ccc;
    padding: 8px;
}

.correct {
    background-color: #c8f7c5;
}

.wrong {
    background-color: #f7c5c5;
}