body {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
    height: 100vh;
}

.quiz-container {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 600px;
    padding: 20px;
    text-align: center;
    box-sizing: border-box;
}

.question {
    font-size: 1.2em;
    margin-bottom: 20px;
}

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

.option {
    padding: 10px;
    border: 2px solid #ccc;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.option:hover {
    background-color: #007bff;
    color: #fff;
}

.timer {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: #ff5722;
}

.result {
    font-size: 1.5em;
    color: #4caf50;
    display: none;
}


.restart-btn {
    background-color: #007bff;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 1em;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 20px;
    display: none;

    display: block;
    margin-left: auto;
    margin-right: auto;
}

.restart-btn:hover {
    background-color: #0056b3;
}