ng. Useful for images, buttons, and nested tables. */
            .center-on-narrow {
                text-align: center !important;
                display: block !important;
                margin-left: auto !important;
                margin-right: auto !important;
                float: none !important;
            }
            table.center-on-narrow {
                display: inline-block !important;
            }
            /* What it does: Adjust typography on small screens to improve readability *