Hi,
I read the project description, you need experienced flask developer with bootstrap and CSS knowledge to fix a bug in your app . right ?
I will do that if you explain more about that bug in chat section.
I am Python developer mostly web development using flask Python.
In my all project front end is HTML5, CSS, bootstrap, JavaScript only so you can trust me and offer this project if you want to validate me before offer this project i will show my old works on chat section.
Hoping for your reply on chat section.
Thanking you.