URL: http://jenkins2.legacyserver.in/login?from=/
Problem type: Site is not usable
Description: the login button doesn't get clicked. You can try a fake login to check
Steps to Reproduce For example,

1. I've tried to log in.
2. I've filled out the form details.
3. I clicked on the submit button.
4. Nothing happened.

Browser / Version: Firefox Mobile 56.0
Operating System: Android 7.1.2
Tested Another Browser: Yes

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