Hello Stelio,
Thank you for providing the login details for your site. I have logged in and the issue persists even when logged in. Please refer to the screenshot at the following link: https://postimg.cc/c6hL6Vnd
In order to resolve the issue, I have assigned a custom class to the section on the cart page, as shown in the screenshot at the following link: https://postimg.cc/47BRNRFM.
I have also set the custom CSS to fix the issue, as shown in the screenshot at the following link: https://postimg.cc/cKxD1tyx.
The resulting screenshot can be found at the following link: https://postimg.cc/Lh1Vp3Yk.
Best Regards,
8Theme’s Team