body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    margin: 0;
    padding: 0;
}

.container {
    width: 60%;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
}

#quiz-container, #result-container {
    display: none;
}

.option {
    background-color: #eee;
    padding: 10px;
    margin: 5px;
    border-radius: 5px;
    cursor: pointer;
    text-align: left;
    font-size: 16px;
}

.option.selected {
    background-color: #5cb85c;
    color: white;
}

button {
    padding: 10px 20px;
    margin: 10px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

#prev-btn {
    background-color: #f0ad4e;
    color: white;
}

#next-btn {
    background-color: #0275d8;
    color: white;
}

#submit-btn {
    background-color: #5cb85c;
    color: white;
}

#restart-btn {
    background-color: #d9534f;
    color: white;
}

/* No Hover Effects */
button:hover, .option:hover {
    background-color: inherit !important;
    color: inherit !important;
}
#prev-btn { background-color: yellow; color: black; }
#next-btn { background-color: blue; }
#submit-btn { background-color: green; }
#restart-btn { background-color: red; display: none; }

#result-container { margin-top: 20px; }
#leaderboard-section { margin-top: 20px; display: none; }
#leaderboard { list-style: none; padding: 0; }
#leaderboard li { background: #ffeb3b; padding: 10px;
    margin: 5px 0;
    border-radius: 5px;
    font-weight: bold;
}