Mobile devices Issues

Hello, I attached the Search Console message: "Search Console has detected that your site is affected by 3 Usability issues on mobile devices: Main issues The following problems were found on your site: Content larger than the screen Selectable elements too close together (Portfolio Section) Text too small to read We recommend that you resolve these issues as soon as possible to allow for optimal experience and reach in Google Search. Troubleshoot Usability on mobile devices" Please, How I can resolve Portfolio sections too close together? thank you kind regards Antonella