iPhone 7 Safari - poll not working

https://imgur.com/BEARqdZ

https://pollunit.com/polls/CJRjvAJcTE8CGqkwayxXeQ

Hello, please note that there is a chance iPhone doesn't read css.gz files: https://cdn.pollunit.com/assets/application-41fa6b92d687e4cabd8d0697c88b08939bf5569c2c9699f9b552ddefa115f139.css.gz

Hi,
is it working now?
Kind regards
Philipp