URL: https://www.beaconreader.com/projects/facts-not-fear-the-truth-about-encryption/back
Browser / Version: Firefox Mobile 46.0
Operating System: Android
Problem type: Something else - I'll add details below

Steps to Reproduce

1. Navigate to: https://www.beaconreader.com/projects/facts-not-fear-the-truth-about-encryption/back
2. Choose the "No thanks, I just want to make a pledge" radio button
3. Focus text field for amount
4. Try to use backspace

Expected Behavior:
Able to delete
Actual Behavior:
Nothing happens