Fix: adjust YouTube video iframe On Chapter 3 for responsive width and correct title

[Atharva7126]

Fix #466

Changes done:

• Improved responsiveness and adjusted aspect ratio to ensure the video title and player maintain proper spacing on mobile, tablet, and desktop views

Screenshots:

Preview Link(s):

docs/chapter3/1introduction.md

✅️ By submitting this PR, I have verified the following

• Checked to see if a similar PR has already been opened
• Reviewed the contributing guidelines
• Sample preview link added
• Tried Squashing the commits into one

Summary by CodeRabbit

• Documentation
  • Embedded video updated to display responsively across devices by switching to a fluid width and fixed aspect ratio for consistent viewing.
  • Video title changed to "Make Your First Circuit Simulation With CircuitVerse" to provide clearer context and guidance.
  • No other layout or content changes were made to the surrounding section.

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[coderabbitai]

Walkthrough

Replaced the iframe's inline width/height with responsive styling (style="width:100%; aspect-ratio:16/9;") and updated the iframe title from "YouTube video player" to "Make Your First Circuit Simulation With CircuitVerse" in docs/chapter3/1introduction.md. No other structural changes were made.

Possibly related PRs

• Fix: Make iframes responsive below 650px using global CSS media query #462 — Adds global CSS and configuration to make iframes responsive site-wide, addressing iframe responsiveness at the stylesheet/config level.
• Reuse Chapter 2 responsive iframe styles in Chapter 3 introduction #475 — Modifies the same docs/chapter3/1introduction.md iframe, replacing fixed width/height with the same responsive style and related markup tweaks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adjusting the YouTube iframe for responsive width and correcting its title on Chapter 3.
Linked Issues check	✅ Passed	The PR implementation directly addresses issue #466 by fixing the YouTube embed responsive styling and updating the iframe title as required.
Out of Scope Changes check	✅ Passed	All changes are scoped to addressing the iframe styling and title in the Chapter 3 introduction page, directly aligned with issue #466 requirements.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📥 Commits

Reviewing files that changed from the base of the PR and between 47ade0e and 58f4625.

📒 Files selected for processing (1)

• docs/chapter3/1introduction.md

🚧 Files skipped from review as they are similar to previous changes (1)

• docs/chapter3/1introduction.md

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[Atharva7126]

hey @Nihal4777 please review

mobile view

[Nihal4777]

Thanks @Atharva7126 for the improvements.