[Feature/element] broken when [doing something]

[URTZAP]

Sanity checks (must complete)

• I have read and followed the installation instructions in the README
• I have not modified the userChrome.css file
• I have tested the latest release for my Firefox version, or commit on master/beta branch (beta is for Firefox Beta only)

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

1. Enable '...'
2. Go to '....'
3. Click on '....'
4. See issue

Screenshots
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System info

• OS: [e.g. Windows 10]
• Firefox version: [e.g. 75]

Additional context
Add any other context about the problem here.