Hello, thank you for your answer,
this I found and it works fine the red top button on right corner (http://davkovacdesinfekce.cz/produkt/bezdotykovy-davkovac-dezinfekce/)
but I could not find where can I change right top green button on the right top corner at the homepage.. http://davkovacdesinfekce.cz/ (green button Buy Scooter Now)
Thank you a lot for help
Radek