body {
            font-family: Arial, sans-serif;
            background-color: #f9f9f9;
            color: #333;
            margin: 0;
            padding: 20px;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;            
            background-color: rgb(213, 225, 225);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        .container h1 {
            text-align: center;
        }

        h2, h3 {
            color: #2c3e50;
        }

        textarea, input[type="text"] {
            width: 100%;
            padding: 12px;
            margin-top: 8px;
            margin-bottom: 16px;
            box-sizing: border-box;
            border: 1px solid #ccc;
            border-radius: 5px;
            background-color: #f0f0f0;
            font-size: 16px;
        }

        textarea {
            resize: vertical;
            height: 150px;
            font-family: monospace;
        }

        label {
            font-weight: bold;
            display: block;
            margin-top: 15px;
        }

        input[type="submit"], button {
            margin-top: 20px;
            padding: 12px 24px;
            font-size: 16px;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            background-color: #2c3e50;
            color: white;
            transition: background-color 0.3s ease;
        }

        input[type="submit"]:hover,
        button:hover {
            background-color: #1a252f;
        }

        .missatge {
            font-size: 16px;
            padding: 10px;
            margin-top: 15px;
            border-radius: 5px;
        }

        .correcte {
            background-color: #d4edda;
            color: #155724;
            border-left: 5px solid #28a745;
        }

        .incorrecte {
            background-color: #f8d7da;
            color: #721c24;
            border-left: 5px solid #dc3545;
        }

        .buttons {
            margin-top: 20px;
        }

        a button {
            background-color: #3498db;
        }

        a button:hover {
            background-color: #2980b9;
        }
    #selectorVeu {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin-top: 10px;
    margin-bottom: 10px;
}