wizard shown incomplet in MS Edge browser

Environment

Discourse Version: discourse v2.4.0.beta4 +55

Plugin Commit: discourse-custom-wizard 26ce6a3

Other Plugins

  • discourse-spoiler-alert 2cac1b1
  • docker_manager a0ef2c6

Steps to Reproduce

is just does not show the controls

Example

https://discourse-dev.fairbnb.ga/w/present+yourself/steps/step_1

Logs

I could grant admin access to site to retrieve logs

I’ve just upgraded to

  1. discourse v2.4.0.beta4 +55 Up to date
  2. discourse-custom-wizard 9a3506a Up to date
  3. discourse-spoiler-alert 2cac1b1 Up to date
  4. docker_manager a0ef2c6 Up to date

result is


but should be

I forgot to mention that the bug report was filled using the same MS Edge, that is wired.

Let me know if I can help to debug using built-in Developer Tools