1. On the View menu, click Document Map.
2. On the Format menu, click Styles and Formatting.
3. In the Styles and Formatting task pane, click Custom in the Show box.
4. In the Format Settings dialog box, select the Document Map check box, and then click OK.
5. In the Styles and Formatting list, point to Document Map, click the arrow, and then click Modify.
6. In the Modify Style dialog box, click Format.
Do one of the following:
- To set the font and font size, click Font, and then make your changes in the font and size boxes.
- To set the highlight color, click Border, click the Shading tab, and then select the Fill color you want.