IMAC portfolio issue

https://***.com/portfolio-2/projects/europe/ on my page and only on iMac this issue exist, could not find correct value of css to correct this issue.

https://cdn.livechat-static.com/api/file/v2/lc/att-old/8801096/d48833f6427fbc60ebd72bcc8b2edf12/Screenshot%2520at%2520Oct%252022%252010-28-34.png

Can you help?

Thank you