If you notice a gap between the header and footer of your Bootstrap card because there's no card body, you can easily resolve this by adjusting the padding of the card footer. The default styles in Bootstrap add padding that can create unwanted space.

To eliminate the gap, set the paddingTop and paddingBottom of the footer to 0. You can do this either inline or by creating a custom CSS class that removes all padding. This will give your card a more cohesive look without the extra space between the header and footer.

By making this simple adjustment, your card will look much cleaner.