CSS classes ( Extra class name ) can help style an element, there are pre-defined CSS classes included with the theme, you can also create your own and add them to the element.
Button CSS Classes
There are several pre-defined size classes for Buttons to increase the button text size.
Row CSS Classes
Row CSS classes can be added to style that particular row. There are pre-defined classes to help space the row from other rows.
no-margin-sides ( removes the spacing from the sides of the row, ideal for rows with a background color )
no-margin-top ( removes the margin top value, this will move the row closer to the element above )
margin-top-75 ( adds a 75px margin to the top of the row )
margin-bottom-75 ( adds a 75px margin to the bottom of the row )
padding-top-50 ( adds a 50px padding to the top of the row )
padding-bottom-50 ( adds a 50px padding to the bottom of the row )