You can use Word's themes to quickly add a professional look to your documents. Themes are predesigned sets of formatting that include backgrounds, color schemes, and fonts. Because themes are shared among the Office programs, you can use a theme in your Word document to match the same theme in worksheets that you create with Excel, or slides that you create in PowerPoint.
If you assign Word's styles, such as headings and subtitles, you can see the difference that an applied theme can make. The theme is even more pronounced when you assign a background color to a page.
Assign a Theme
APPLY A THEME