In Content Settings you can work on the look of your Content Block with the help of Content Design Content settings, Use Existing Component and Font settings.
With Content Design option, you can set the following
◊ Background color / image of the section and its properties
◊ Border color, style and width
◊ Inner (padding) and outer (margin) spacing of the section
With Content settings option, you can set the following
◊ Width & height of the overview section of the website
◊ Content overflow property. This property will be useful when the content exceeds the actual size (width/height) of the section.
◊ Section alignment (Horizontal)