Selecting a Style Sheet
By changing the style sheet used by a notebook, you redefine all the styles used in the notebook. To assign a particular style sheet to an existing notebook:
1. In the menu, choose Format Style Sheet.
2. Choose from the available style sheets listed.
Choose Other to select a style sheet that is not listed.
The new styles are automatically applied to all the cells in the notebook.
1. In the menu, choose File Palettes NotebookLauncher. A palette appears.
2. Click a style sheet name. A new notebook appears with the style sheet set to the name given on the palette.
Some typical style sheets included with Mathematica.