fix: increase z-index of skills dropdown to appear above skill tags

[Farihashifa15]

Summary

This PR fixes the z-index stacking issue where the skills dropdown suggestions were rendering behind the skill tag badges below the input box. Added position: absolute and z-index: 50 to the .skills-suggestions class in static/style.css.

Related Issue

Closes #773

Type of Change

• Style — CSS or visual changes only, no logic change

What Was Changed

File	Change made
static/style.css	Added position: absolute and z-index: 50 to .skills-suggestions class to fix dropdown stacking order

How to Test This PR

1. Clone this branch: git checkout fix/skills-dropdown-zindex
2. Install dependencies: pip install -r requirements.txt
3. Run the app: python app.py
4. Open http://127.0.0.1:5000
5. Type "Py" in the Skills input field
6. Verify dropdown suggestions appear above skill tags

Test Results

27 passed, 0 failed out of 27 tests

Screenshots

Before: Dropdown hidden behind skill tags (see issue #773 for screenshot)
After: Dropdown now appears above skill tags with z-index: 50

Self-Review Checklist

• I have read CONTRIBUTING.md and followed all guidelines
• My branch name follows the convention: fix/skills-dropdown-zindex
• I have not introduced any print() or console.log() debug statements
• I have not modified files outside the scope of the linked issue
• If I changed the UI, I tested it at 375px (mobile) and 1280px (desktop)

Notes for Reviewer

CSS-only fix. Added z-index: 50 and position: absolute to .skills-suggestions to ensure the dropdown renders above the skill tag badges.

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[Farihashifa15]

Hi @komalharshita, I've submitted a fix for this issue:
#775