E. Change Theme and Background
1) Click on and then click 'Manage Site'.
2) Click on 'Themes, Colors and Fonts' in left Column
3) Find the 'Theme Drop Menu
and click it to find your new theme.
4) You will find the Background Colors the Theme button, play around with them. If you don't like what you choose, you can always select the 'Theme' option to return to the default.