/* Add a CSS class to define the highlight style */
    .highlighted {
        background-color: rgb(216, 236, 254);
        transition: background-color 1s ease;
        /* Smooth transition over 1 second */
    }

    .unhighlighted {
        background-color: white;
        transition: background-color 2s ease;
        /* Smooth transition over 1 second */
    }