Styles are used to specify the colors or fonts to be used for a control, or for the entire dialog.  When you are defining or editing a style, the Dialog Editor looks like this:

Again, the name of a style once defined is fixed, and can only be changed by deleting the style and redefining it.

The font name, size and style (bold, italic, underline, striked) can be entered manually or selected from the standard Windows font selection dialog which can be called up by pressing the button captioned ...The Position field determines whether text is left or right justified, or centered in the control.

The Background and Foreground fields set the background and foreground colors, respectively.

Defaults are used where fields are left blank.