Not able to write GITHUB PROJECT REPOSTORY through UTOPIAN.io in Firefox Focus.

Expected behavior

I want to make a blog on Utopian through Firefox focus,i had done everthing, know finally i want to write GITHUB PROJECT REPOSTORY. It must be able to bring these repositories.

Actual behavior

When i finished my blog writing, after all i had to know write its GITHUB PROJECT REPOSITORY, when i write its REPOSTORY, want to submit it. It is not submiting.

How to reproduce

Install app from playstore.
Open the app and go to Utopian.io website.
Open any one of the projects like bug-hunting.
Click on GITHUB PROJECT this..

Now write any Github Repository.

Then submit it.

It doesn't gets submitted.

• Browser: Firefox focus.
• Version:4.1
• Operating system:5.1.1.

Recording Of The Bug