body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 20px;
            padding: 20px;
        }
        .domain-box {
            margin-top: 50px;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            background-color: #fff;
        }
        .extension-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px; /* Uzantılar arasındaki boşluğu ayarla */
            margin-top: 20px; /* Yükseklik ayarlandı */
        }
        .extension-item {
            width: 15%;
            margin-bottom: 10px;
            white-space: nowrap;
            text-align: center;
        }
        .btn-primary {
            margin-top: 10px;
            display: block;
            margin-left: auto;
            margin-right: auto;
        }
        h2, legend {
            text-align: center;
            margin-bottom: 20px;
        }
        .results-table {
            margin-top: 20px;
        }
        .punycode {
            color: green;
        }
        .extension-table {
            background-color: #800000; /* Kahve rengi arka plan */
            color: white; /* Beyaz yazı */
            font-weight: bold; /* Kalın yazı */
            margin-top: 20px;
            padding: 10px;
            border-radius: 8px;
        }
        .extension-table th {
            padding: 10px;
            font-size: 18px;
        }
        .extension-table td {
            padding: 10px;
            font-size: 16px;
            color: black; /* Yazı rengi siyah yapıldı */
        }
        .button-group {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 20px; /* Add margin bottom to separate from extension group */
        }
        .button-group button {
            width: 200px; /* Button width increased for better readability */
        }
        .counters {
            text-align: center;
            margin-top: 20px;
        }
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent background */
            display: none; /* Initially hidden */
            justify-content: center;
            align-items: center;
            z-index: 1000; /* High z-index to ensure it's above other elements */
        }

        .loading-message {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            font-size: 18px;
            font-weight: bold;
        }

        .domain-box {
            position: relative; /* Ensure the domain box is above the overlay */
            z-index: 1;
        }