frame-{data.frame_class}
frame-type-{data.CType}
frame-layout-{data.layout}
frame-space-before-{f:if(condition: data.space_before_class, else: 'none', then: data.space_before_class)}
frame-space-after-{f:if(condition: data.space_after_class, else: 'none', then: data.space_after_class)}