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HTML, CSS, and JavaScript guides and references for beginners. Learn web development with interactive code examples you can edit and run instantly in the SyncFiddle editor.

  • 2026-05-16

    NEW CSS #2 CSS Selectors: How to Target HTML Elements

    Learn the CSS selectors - type, class, ID, universal, and combinators (descendant, child, next-sibling) - plus how the cascade and specificity decide which rule wins when two rules conflict.

  • 2026-05-06

    NEW CSS #1 What is CSS? A Beginner's Guide to Styling Web Pages

    HTML gives your page structure - CSS gives it style. Learn how CSS rules work, how to attach styles to a page, and the core properties, units, and selectors you need to start designing your own layouts.

  • 2026-04-24

    HTML #2 HTML Structure and Semantics: Block, Inline, and Meaningful Markup

    A detailed guide to block vs inline elements, div and span, whitespace handling, text semantics, and the HTML5 semantic elements that give your page meaningful structure.

  • 2026-04-19

    HTML #1 What is HTML? A Plain Language Introduction for Beginners

    How do browsers turn plain text into rich web pages? Learn what HTML is, how it works, and write your first page from scratch.

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