Change text size
Select the text you want to change.
On the
Formatting
toolbar, do one of the following:
To make text larger or smaller, click
Increase Font Size
or
Decrease Font Size
.
To set a font size by number, in the
Font Size
box
, click the size you want.
or Decrease Font Size 
.
, click the size you want.
or Decrease Font Size ., click the size you want.