06. HTML-CSS-DOM

INSTRUCTOR NOTE:

HTML - HyperText Markup Language - the standard markup language used to create web pages.

CSS - Cascading Style Sheets - style sheet language used for describing the look and formatting of a document written in a markup language.

DOM - Document Object Model - a cross-platform and language-independent convention for representing and interacting with objects in HTML (and other markup languages). The nodes of every document are organized in a tree structure, called the DOM tree.