Hello, @grzesiekkolo,
There was a cache issue on your site. I checked that you are using the cache plugin I just disable the plugin “Lightspeed cache” and your issue was resolved.
See the below image for a better reference.
On Mobile (https://postimg.cc/sBfMTnTF)
On Desktop (https://postimg.cc/HVZWpp2N)
Regards 8Themes Team.