With the Web Portal Design tab, you will be able to customize all the display and graphic settings, as well as add your own logo. You have the choice between a collection of 20 photos, or you can add your own. You can also set any color theme with the background color of your choice or you can use one of the classic themes.
Some advanced tips:
When you close this window, all the values you typed and checked are saved.
If you want to reset these values to values by default, click on the "Reset" button on the bottom.