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Hey everyone, I'm currently working on a project where I have a sidebar, but it's not working properly. I'm a beginner in HTML and CSS, and I need some guidance on what might be wrong.
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📌 HTML: boxes.html

📌 CSS:

What I Need Help With:

The sidebar is not behaving as expected (e.g., layout issues, not sticking, overlapping, etc.).

I want to fix it using only HTML and CSS (no JavaScript).

Any improvements or best practices would also be appreciated!

Questions:

How can I make sure the sidebar stays in the correct position?

Are there any common mistakes I should check in my CSS?

Any beginner-friendly tips to improve the sidebar's design and functionality?

I’d really appreciate any advice or suggestions! Thanks in advance! 😊