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                <!DOCTYPE html>   <!--Defines the document type -->
<html>	<!--Defines an HTML document-->
<head>   <!--Contains metadata/information for the document-->
  <title>HTML Free Demo-5</title> <!--Defines a title for the document-->
<body> <!--Defines the document's body-->
  <h1>The Main Languages of the Web</h1>

<p>HTML is the standard markup language for creating Web pages. HTML describes the structure of a Web page, and consists of a series of elements. HTML elements tell the browser how to display the content.</p>

<hr> <!--Defines a thematic change in the content-->

<p>CSS is a language that describes how HTML elements are to be displayed on screen, paper, or in other media. CSS saves a lot of work, because it can control the layout of multiple web pages all at once.</p>

<hr> <!--Defines a thematic change in the content-->

<p>JavaScript is the programming language of HTML and the Web. JavaScript can change HTML content and attribute values. JavaScript can change CSS. JavaScript can hide and show HTML elements, and more.</p><!--Inserts a single line break-->