Learn to build a simple, elegant HTML5 blog post layout step-by-step: set up a clean index.html, wrap content in a semantic container with header, main, and footer, style with a lightweight CSS file (typography, spacing, shadows, rounded corners), and add a sample post with title, image, and text—plus a real-world EcoHeroes use case and book recommendations. Emphasizes clean structure, readability, accessibility, and inspiration to iterate.