Highlight Text

For All of a Line Type

This will affect only the desired line type.

1. Select Customize > Format
2. From the Line Types drop-down menu, select the line type you wish to affect. 
3. In Highlight Color, click to open color picker.
4. Select the desired color.
5. Select Save

Highlight Color Options:

For a Selection of Text

This will affect only a selection of text.

1. Select all of the desired text.
2. Select Format > Text Highlight
3. Select the desired color from the menu.