Window < UIWindow size: 200 100 head: height: 20 border-image: source: /core_ui/images/window.png size: 256 19 border: 4 border.bottom: 3 body: border-image: source: /core_ui/images/window.png size: 256 237 offset: 0 19 border: 4 border.top: 0 MainWindow < Window anchors.centerIn: parent