How to change size of text.

There are two ways. One is using one of the six "Heading" tags

They are <h1> through <h6> 

Here are the examples. The first line is the HTML code, the second line is what will display.

<h1>Heading 1</h1>

Heading 1

<h2>Heading 2</h2>

Heading 2

<h3>Heading 3</h3>

Heading 3

<h4>Heading 4</h4>

Heading 4

<h5>Heading 5</h5>

Heading 5

<h6>Heading 6</h6>

Heading 6

Next lesson. the "Font" tag.