: 1;
        }

        .thumbnail {
            width: 80px;
            height: 45px;
            border: 2px solid transparent;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
            overflow: hidden;
            background: white;
            position: relative;
        }

        .thumbnail:hover {
            border-color: #007bff;
            transform: scale(1.1);
        }

        .thumbnail.active {
            border-color: #28a745;
      