Change tab section divider to transparent

[apinkert]

For https://redhat.atlassian.net/browse/RHCLOUD-51760. Verified in dark mode as well.

Before:

After:

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Enterprise

Run ID: a2a38982-e088-4a02-99bb-c085d3979c6f

📥 Commits

Reviewing files that changed from the base of the PR and between 3217f83 and 2af18c7.

📒 Files selected for processing (1)

• src/components/HelpPanel/HelpPanelCustomTabs.scss

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Summary by CodeRabbit

• Style
  • Custom tab lists, items, and links now have transparent backgrounds, allowing the parent container’s white background to show through.

Walkthrough

The custom tabs now use transparent backgrounds for the tab list, items, and links. The updated comments describe the parent’s white background and the PatternFly bottom-border line.

Changes

Help panel tab backgrounds

Layer / File(s)	Summary
Transparent tab backgrounds src/components/HelpPanel/HelpPanelCustomTabs.scss	The tab list, items, and links now use transparent backgrounds instead of the primary background color. Comments describe the parent’s white background and the PatternFly bottom-border line.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Bug fix

Merge Risk: ⚪ Minimal · up to 2af18

The parent surface remains themed while the divider shows through the tabs. No user-facing regression is evident, so the change appears ready to merge after normal checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: making the tab section divider transparent.
Description check	✅ Passed	The description includes the issue reference, before-and-after screenshots, and dark mode verification. It does not follow the full template structure or include a detailed two-to-three-sentence summa…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create a new PR

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_{Comment @coderabbitai help to get the list of available commands.}

[jjaquish]

LGTM