Fix #29: wrap adjacent inputs in "display: flex" to force same height

[gussmith23]

Description

Fixes #29

Type of change

• [X] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [ ] My code follows the style guidelines of this project
  • I'm not sure -- I didn't find the style guidelines, but I also didn't add too much.
• [ ] I have commented my code, particularly in hard-to-understand areas
  • Not sure if a comment is warranted here, please let me know!
• [X] I have made corresponding changes to the documentation (if necessary)
  • None needed
• [ ] I have added tests that prove my fix is effective or that my feature works
  • Do you do UI testing?
• [X] New and existing unit tests pass locally with my changes
• [X] Any dependent changes have been merged and published in downstream modules
  • N/A