body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #222;
            margin: 0;
            padding: 0;
        }
        .container {
            position: relative;
            background-color: gainsboro;
            padding: 20px;
            border-radius: 10px;
            border-top-left-radius: 20px;
            border-top-right-radius: 20PX;
         
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            width: 600px;
            min-width: 350px;
            text-align: center;
        }
        h1 {
            text-align: left;
            margin-left: 10px;
            margin-bottom: 5px;
            color: white;
            font-size: 25px;
        }

        .title{
            background-color: teal;
             border-top-left-radius: 20px;
             border-top-right-radius: 20PX;
             width: 100%;
             position: absolute;
             top: 0;
             left: 0;
             right: 0;
           
        }
        .question {
            font-size: 25px;
            margin-top:50px;
            color: teal;
            font-weight: 800;
        }
        .options {
            list-style-type: none;
            padding: 0;
            margin: 0;
      
        }
        .options li {
            margin-bottom: 20px;
        }
        .options button {
            width: 100%;
            padding: 15px;
            height: 45px;
            margin: 10px;
            font-size: 18px;
            background-color: gray;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .options button.correct {
            background-color: #28a745;
        }
        .options button.incorrect {
            background-color: #dc3545;
        }
        .options button:hover {
            background-color: teal;
        }
        #nextButton {
            margin-top: 20px;
            padding: 12px 25px;
            background-color: teal;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 18px;
            transition: background-color 0.3s ease;
        }
        #nextButton:hover {
        
        }
        #score {
            font-size: 18px;
            margin-top: 20px;
            color: #555;
        }
        #modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }
        .modal-content {
            background: white;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            width: 300px;
        }
        .modal-content h2 {
            margin-bottom: 20px;
            color: #333;
        }
        .modal-buttons button {
            padding: 10px 20px;
            margin: 10px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
        }
        .restart-btn {
            background-color: #28a745;
            color: white;
        }
        .restart-btn:hover {
            background-color: #218838;
        }
        .exit-btn {
            background-color: #dc3545;
            color: white;
        }
        .exit-btn:hover {
            background-color: #c82333;
        }