1. Adding Bold Words
To make a particular phrase bold surround it by <b> ... </b>.

For example,
Bare Escentuals Products <b>on sale</b>.

... will look like this:

Bare Escentuals Products on sale.

2. Increasing / decreasing font size
To make a particular phrase big surround it by <big> ... </big>.

For example, Bare Escentuals Products <big>on sale</big>.
Will look like this:
Bare Escentuals Products on sale.

To make it big and bold:

Bare Escentuals Products <big><b>on sale</b></big>.
Will look like this:
Bare Escentuals Products on sale.

To make it bigger and bold:

Bare Escentuals Products <big><big><b>on sale</b></big></big>.
Will look like this:
Bare Escentuals Products on sale.

small works the same as big

3. Italics
To make a particular phrase emphasized (which will be italics) surround it by <em> ... </em>.

For example, Bare Escentuals Products <em>on sale</em>.
Will look like this:
Bare Escentuals Products on sale.

4. To Change the color
To make a particular phrase red, surround it by <font color="red"> ... </font>.

For example, Bare Escentuals Products <font color="red">on sale</font>.
Will look like this:
Bare Escentuals Products on sale.

5. Underlining
To make a particular phrase underlined, surround it by <u> ... </u>.

For example, Bare Escentuals Products <u>on sale</u>.
Will look like this:
Bare Escentuals Products on sale.