Do you know how to use the web inspector? Additional details will be available after launching your challenge instance. Start searching here to find the flag

1. Open site in page source view
2. Look around, on the "about" page there is a sus string thats baseXX encoded.
3. Decode string, get flag

Flag: picoCTF{web_succ3ssfully_d3c0ded_f6f6b78a}