Progress Bar Not showing

Question

I have tried making a progress bar in Sololearn Code Playground but it doesn't show on Sololearn in my phone but it shows in Sololearn on my computer.Can anyone plz guide me. Any help is appreciated.Thank you in advanced.
https://code.sololearn.com/Wwc9F144B154/?ref=app

Answer 1

Try
height: 20px;
(instead of 2.5%)

Answer 2

Thanks

Answer 3

you can change your web browser like the IMG is not supporting in Mozilla Firefox