The "styles" link now references the externalBlue.css style sheet in externalCSS.html. Add an open JavaScript " " tag to the file. Set the tag's "type" attribute to "text/javascript".

On your website, add buttons that reveal more content when they are clicked. But avoid overwhelming users – a long, text-heavy drop-down of text can feel like a novel.

CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.