s it more difficult for screen reader users to understand the day names.
            So, full day names are provided to assistive technologies in the HTML <code>abbr</code> attribute on the column headers, enabling screen readers to announce the full names when users navigate the grid.
          </li>
          <li>
            Focus and hover styling of the controls support operating system high contrast settings via the CSS border property:
            <ul>
              <li>When a button or date cell rec