Password & password unable to keyin

[Loh Boon How]

Hi, 

I using Repl.it to practice the Djanko, while starting the tutorial 2 writting your first Django app, under final part, creating an admin user, I have difficulty to key in the password & password (again) as demostrate in the picture. The system does not allow me to key in any field.

Why this happen & how to fixed it?

Please help!