HTML and CSS Basics

From the book: HTML, page 84

HTML, or Hypertext Markup Language, was developed by Sir Tim Berners-Lee. While some refer to HTML as code, and the act of writing HTML as coding, this is slightly deceptive. Being a markup language, the process is more akin to the way newspapers were developed before computers.

Below are examples of HTML elements presented without CSS (cascading style sheets) formatting. 

Below are the same examples, presented with som basic CSS applied: