Apply a Quick Style to text
Place the pointer in the text that you want to format.
Note: If you place the pointer in a paragraph, the style is applied to the whole paragraph. If you select specific text, only the selected text will be formatted.
On the Home tab, point to a style to see how the text would look with that style.
Select the style you want to apply to the text.
Apply a theme
After you’ve applied Styles, you can select a theme.
Select Design > Themes.
Point to a theme to see how it would look in your document.
Select a theme.