I really miss the HBox and VBox of Adobe Flex. They made aligning content so damn easy (and it was responsive, no media queries either) <HBox height="100%"

I really miss the HBox and VBox of Adobe Flex. They made aligning content so damn easy (and it was responsive, no media queries either) <HBox height="100%" width="100%" horizontalAlign="center" verticalAlign="middle"> <VBox>Col 1</VBox> <VBox>Col 2</VBox> <VBox>Col 3</VBox> </HBox>