.contain {
            max-width: 850px;
            margin: 0 auto;
            background: #1a1a1a;
            padding: 40px;
            border: 1px solid #333;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        h1 {
            color: #ffc107; /* Het goudgeel */
            border-bottom: 2px solid #ffc107;
            padding-bottom: 10px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        h2 {
            color: #7FFF00; /* Het gifgroen van de markers */
            margin-top: 30px;
        }
        p, li {
            color: #ccc;
        }
        .highlight {
            color: #ffc107;
            font-weight: bold;
        }
        .footer-note {
            margin-top: 50px;
            font-size: 0.9em;
            color: #666;
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 20px;
        }
        .back-button {
            display: inline-block;
            margin-bottom: 20px;
            color: #7FFF00;
            text-decoration: none;
            font-weight: bold;
        }
        .back-button:hover {
            text-decoration: underline;
        }