bug: "Show More" button for Mentor bios is now invisible

[khairahscorner]

Bug Report

The "Show more" button is now invisible for mentors with long bios (appears missing but is only invisible)

To Reproduce

Steps to reproduce the behavior:

1. Go to 'Mentors'
2. check list of mentors for those with bios that cut off with "..."
3. See error
4. Scroll to area shown in the screenshots
5. button shows up on hover

Expected behavior

The button should not be invisible - most likely a styling error

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Reproducibility

• [x] The bug is reproducible consistently.
• [ ] The bug is sporadic or occurs randomly.

Impact

• [x] The bug affects critical functionality.
• [ ] The bug affects minor functionality.
• [ ] The bug is a cosmetic issue.

Additional context

Add any other context about the problem here.

Related Issues/PRs

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Proposed Solution (optional)

If you have any ideas on how to fix the bug or potential areas to investigate, suggest them here.

Your Contribution (optional)

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