body {
            font-family: Arial, sans-serif;
            max-width: 700px;
            margin: 40px auto;
            padding: 20px;
            background-color: #f5f5f5;
        }
        .quiz-container {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        h1 {
            color: #0cc909;
            text-align: center;
        }
        h2 {
            color: #333;
            margin-bottom: 20px;
        }
        .question {
            margin: 20px 0;
        }
        .choices {
            margin: 15px 0;
        }
        .choice {
            margin: 10px 0;
            padding: 10px;
            background-color: #f9f9f9;
            border-radius: 4px;
        }
        .choice:hover {
            background-color: #e8e8e8;
        }
        .choice input[type="radio"] {
            margin-right: 10px;
        }
        .buttons {
            margin-top: 30px;
            display: flex;
            gap: 10px;
            justify-content: space-between;
        }
        button {
            padding: 12px 24px;
            font-size: 16px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            background-color: #c91a09;
            color: white;
        }
        button:hover {
            background-color: #a01507;
        }
        .progress {
            text-align: center;
            color: #666;
            margin-bottom: 20px;
        }
        .result-item {
            margin: 20px 0;
            padding: 15px;
            border-radius: 4px;
            background-color: #f9f9f9;
        }
        .result-item.correct {
            border-left: 5px solid #28a745;
        }
        .result-item.incorrect {
            border-left: 5px solid #dc3545;
        }
        .score {
            font-size: 24px;
            text-align: center;
            margin: 20px 0;
            padding: 20px;
            background-color: #ffd700;
            border-radius: 8px;
        }
        .checkmark {
            color: #28a745;
            font-weight: bold;
            font-size: 20px;
        }
        .xmark {
            color: #dc3545;
            font-weight: bold;
            font-size: 20px;
        }