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ITD Step 7 - add info about Pen 2.0 #1911

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cjyuan merged 1 commit into from
Jun 11, 2026
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ITD Step 7 - add info about Pen 2.0 #1911

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26 changes: 20 additions & 6 deletions common-content/en/module/itd/step-5/instructions/index.md
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Expand Up @@ -99,11 +99,25 @@ Submit the link to your CodePen page in Step 5 on the [CYF Course Platform](http

### Important Notes About CodePen

- When writing your code in CodePen, you do not need to include `<!DOCTYPE html>`, `<html>`, `<head>`, or `<body>` tags (the editor adds them automatically).
CodePen provides two editing experiences: **Classic Pen** and **Pen 2.0**. The requirements for each are slightly different.

- CodePen has built-in features to help you check your code for errors:
- **Analyze HTML** → checks your HTML for mistakes
- <img src="https://www.freecodecamp.org/news/content/images/2021/03/analyze-before-option.png" alt="HTML Analyzer" width="600">
- **Analyze CSS** → checks your CSS for mistakes
#### Classic Pen

- To learn more about CodePen features, see: [How to Use CodePen – A Beginner's Guide](https://www.freecodecamp.org/news/how-to-use-codepen/).
- In the HTML editor, you only need to enter the content that belongs inside the `<body>` element. Do not include `<!DOCTYPE html>`, `<html>`, `<head>`, or `<body>` tags.

- To check your code for errors:
- **Analyze HTML** - validates your HTML and identifies potential issues.
- <img src="https://www.freecodecamp.org/news/content/images/2021/03/analyze-before-option.png" alt="HTML Analyzer" width="600">
- **Analyze CSS** - validates your CSS and identifies potential issues.

- For a complete overview of Classic Pen features, see: [How to Use CodePen – A Beginner's Guide](https://www.freecodecamp.org/news/how-to-use-codepen/).

#### Pen 2.0

- The `index.html` file must contain a complete HTML document, including `<!DOCTYPE html>`, `<html>`, `<head>`, and `<body>` tags.

- To validate your code, use the W3C validation services. Open the Direct Input tab, then copy and paste your code into the validator:
- **HTML validation** -- https://validator.w3.org/
- **CSS validation** -- https://jigsaw.w3.org/css-validator/


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