The basefont size for this file is 5. This sentence is in font size 2. This sentence is in font size 4. This paragraph shows 3 different font sizes.

This sentence is in a color defined by numbers. This sentence is in a color defined by the name of a color.

I wish I had 9.9 x 10 ^9999999 dollars in my bank account.

CO ₂ is Carbon Dioxide.

If I wanted to underline or strike out text, I would have to use the proper HTML code.