Style Sheet Settings allow you to define how your information is displayed on your reports. The small arrow you see circled in the upper left hand corner of the example below with the drop down menu showing is the tool that will allow you to edit your style sheet. The style sheet built into the Reports Designer will allow you to modify/add the following elements in your report:

Bands
Watermarks
Header Fields
Odd table fields
Even table fields
Fonts
Font Width
Font Type
Font Style
Borders
Background colors

There are two ways to access the design tool. One is by the main menu in the upper left corner of the design window.

You will see several fields light up in the tools listed on the right hand side of the screen. The particular field that manages the Style Sheet for your Reports. The arrow highlighted above opens a menu allowing you to add elements such as a Watermark to the background of your reports as well as a wizard to walk you through a step by step process of defining the style of your reports.

Reports Wizard-This wizard will walk you through a step by step process to define different elements of style in your report. When you have finished Save the changes or Save the report as an alternate to the existing Template and give it a new title to distinguish it from the original Template. (A detailed article will explain the function of the wizard in the Support articles)
Bands-Clicking on the far right of this field will open a menu where you can manage the styles, colors and additional details of the bands within your reports. An example of the menu for this functions is shown below.

Watermark-Add a Watermark to your report with this tool. It is similar to adding a logo or Image and will automatically generate a watermark in the background of your report. Often companies will use a logo or image indicating the type of report for a Watermark.
Report Unit-The report Unit is the unit of measurement used in the customize tool of reports. this is set to a default and is often not something that needs to be adjusted.
Data Source-This icon will show which data set is being pulled into this report. Most people will not need to adjust this setting in everyday type of customizations.
Data Member-This icon will show which data type set is being pulled into this report. Most people will not need to adjust this setting in everyday type of customizations.
Data Adapter-This icon will show which data set adapter is being pulled into this report. Most people will not need to adjust this setting in everyday type of customizations.

Clicking on the highlighted field on the right side of the screen shown in the example below will open a menu allowing you to specify details about the style sheet of your report. The menu is shown below.

Clicking on any of the items listed on the left will open the respective fields on the right. Then clicking on the respective section for details on the right will open additional options to specify the properties of each element in the report. Below is an example of the menu for the color of the background of Odd/Even fields displayed in a table of data within an Invoice.

In this case you will be able to choose from three different menus of color palettes to specify the background color of an odd/even data table.

These are some of the tool in the Customize section of the reports. See related articles for further illustrations of the in-depth functionality built into Tradepoints Reports Designer.