Progress bar breaks flow of subsequent page elements

Problem/Motivation

Without a clearfix class, a progress bar with further elements rendered after it has the later elements run into the progress messages.

Proposed resolution

See #65 🐛 Progress bar breaks flow of subsequent page elements Needs work

Remaining tasks

Created patch
Manual testing
Add screenshots
Review

User interface changes

Correct flow of elements underneath the progress bar.

The issue before the patch:

The issue after the patch:

API changes

None

Data model changes

None