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Halcyon Web Design Guides

A practical guide site about web design and development—CSS, WordPress, performance, SEO, accessibility, security, and webmaster workflows.

Category: CSS


How to Build a Sticky Header with Pure CSS (No JavaScript Required)

Posted on 1 March 2026 Updated on 1 March 2026

A sticky header keeps your navigation visible while users scroll down the page. No JavaScript libraries. No complex frameworks. Just a single CSS property that does exactly what you need. Key…

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