Site Skin – These options allow you to set background colors for your website’s headers, sidebars and page titles. You can also customize your font, element and menu colors.
Predefined Skin ? : This option enables predefined skins list
Theme Colors : Set theme colors ( primary, secondary, tertiary, quaternary) .
Site Colors : Set colors for( Site BG Color, Site Content Color, Site Link Color and Site Link Hover Color).