Expand / Collapse Widget Demo

This page showcases expandable widgets. Each widget is wrapped in a container with the class example, and the collapsible content container uses the class details.

What is HTML?

HTML stands for HyperText Markup Language. It is the standard language used to create and structure content on the web.

  • Defines the structure of web pages with elements and tags.
  • Works in tandem with CSS for styling and JavaScript for interactivity.
  • Modern HTML emphasizes semantic elements to improve accessibility and SEO.
How to customize appearance?

You can customize the look and feel using CSS. For accessibility, ensure that the header is clearly visible and the content is readable when expanded.

  1. Adjust colors with CSS variables.
  2. Ensure sufficient contrast for text.
  3. Test keyboard navigation to ensure focus management works as expected.