Use compact theme
The style you selected supports a 'compact' view. The standard view is more appropriate for mobile applications. The 'compact' view is often used in desktop browser applications.
The 'Use compact theme' property is not available for all System styles. It does work with the 'Alpha style', which you can set in the [Style name] property. For an example, here is a normal component without a compact theme.
The same component with the 'Use compact theme' property checked. The 'Use compact theme' property shrinks the size of field data, buttons, and labels. This means that the overall size of certain controls, like list controls, can be reduced.