Panel < UIWidget

FlatPanel < Panel
  border-image:
    source: /core_ui/images/panel_flat.png
    border: 4

RoundedPanel < Panel
  color: #ffffffc0
  border-image:
    source: /core_ui/images/panel_rounded.png
    border: 4

RectPanel < UIWidget
  image: /core_ui/images/empty_rect.png