aligned to the center

Welcome to the world of italics the I tag makes the words italics

this line could show special information. The U tag can show great importance

The BR tag is used to create the larger spaces between lines because the p tag only creates one space

like this

USB is a very useful tool for those who use more than one computer

this is using the abbr tag that when you hover a mouse over it will show you what you are abbreviating

The HR tag creates a horizontal line to break the page

normal text isn't as distinct as tt text

Einstein said Never memorize something you can look up The q tag creates quotation marks

H6 heading shouldn't use this

Mark works to change the colors behind the words like a highlighter.

Text in a pre element is put exactly as it is in the code

aligned to the center

this is using the abbr tag that when you hover a mouse over it will show you what you are abbreviating

H6 heading shouldn't use this

H3 heading this is a good size shouldn't need much bigger