This is in a bold font, in Comic Sans MS or Arial or some sans-serif font that you have on your machine and has a background color of Navy

Now, how's that for a heading? This is a paragraph (duh!) and as such it is defined as being either Verdana, Times New Roman, or another sans-serif font, it has a left margin of 2% and should be double spaced. That bit of red text that you just encountered was a class definition with a span tag added - so that it could span the text. It should have been red and italic!

This heading is different from the one above

And not just in it's size! It was a medium font weight, with Times New Roman as the first choice of font, a turquoise background and 3pt word spacing. Pretty cool, huh?

That last sentence was yet another class definition - only the background was chan