<!-- stile test limiti con spiegazione -->
body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f5f5f5;
        }
        h1 {
            text-align: center;
            color: #2c3e50;
            margin-bottom: 30px;
        }
        .question {
            background-color: white;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .question h3 {
            margin-top: 0;
            color: #2980b9;
        }
        .options {
            display: flex;
            flex-direction: column;
        }
        .option {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        input[type="radio"] {
            margin-right: 10px;
        }
        .button-container {
            text-align: center;
            margin: 30px auto;
        }
        button {
            display: inline-block;
            margin: 0 10px;
            padding: 10px 20px;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        #submit {
            background-color: #3498db;
        }
        #submit:hover {
            background-color: #2980b9;
        }
        #clear {
            background-color: #e74c3c;
        }
        #clear:hover {
            background-color: #c0392b;
        }
        .explain-btn {
            background-color: #27ae60;
            padding: 8px 15px;
            font-size: 14px;
            margin-top: 15px;
        }
        .explain-btn:hover {
            background-color: #219a52;
        }
        .explanation {
            background-color: #e8f8f5;
            border: 1px solid #27ae60;
            border-radius: 5px;
            padding: 15px;
            margin-top: 15px;
            display: none;
        }
        .explanation h4 {
            color: #27ae60;
            margin-top: 0;
        }
        #results {
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            margin-top: 30px;
            display: none;
        }
        .correct {
            color: #27ae60;
            font-weight: bold;
        }
        .incorrect {
            color: #e74c3c;
            font-weight: bold;
        }
        .unanswered {
            color: #f39c12;
            font-weight: bold;
        }
        .Stile1 {color: #339966}
        /* Stili per l'header */
        .left-image, .right-image {
            max-height: 60px;
            height: auto;
            width: auto;
            max-width: 48%;
            object-fit: contain;
        }
        .header-box {
            width: 100%;
            border: 2px dashed #28a745;
            box-sizing: border-box;
            padding: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: white;
            min-height: 80px;
            border-radius: 8px;
            margin-bottom: 25px;
            background: white;
            flex-wrap: wrap;
            gap: 10px;
        }
#index-test {
    background-color: #2c3e50; /* Blu scuro */
}
#index-test:hover {
    background-color: #1a242f; /* Ancora più scuro al passaggio del mouse */
}