.popup {
            position: absolute;
            width: 340px;
            height: 320px;
            background: white;
            border: 2px solid black;
            box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
            overflow: hidden;
           // overflow-y: auto;
           // overflow-x: hidden;
            display: block;
           // z-index:99;
        }
        .popup-header {
            background: #007bff;
            color: white;
            padding: 2px;
            cursor: move;
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            height: 10px;
            align-items: center;
            user-select: none;
        }
        .popup-content {
            padding: 3px;
          //  margin-top: 3px;
            height: 280px;
            overflow-y: auto;
        }
        .close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 12px;
            cursor: pointer;
        }
        .highlight {
            color: blue;
            cursor: pointer;
            text-decoration: underline;
        }