Hello Cindy,
Yes, it is possible with custom CSS coding or template customization. Be advised that this is beyond the scope of our support under our Support Policy. If you are unfamiliar with code and resolving potential conflicts, you may select our One service for further assistance.
If you could upgrade to the Pro theme, you can utilize the Footer Builder to be able to create a custom footer or your own desired footer design. While at it, The Pro theme will also allow you to create your own custom header or blog index layout and archive page layouts because of the Layout Builder feature that is only available in the Pro theme. For more details about the difference between the X theme and the Pro theme, please check this out:
Best Regards.