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Flexbox is a one-dimensional layout system: set display: flex on a container to lay out its children as flex items along a main axis.
Flexbox is a one-dimensional CSS layout model used to arrange items in either a row or a column. By setting an element’s display to flex, that element becomes a flex container and its direct children become flex items. Flex items then lay out along two conceptual axes (main axis and cross axis), and they can expand to fill available space or shrink to fit smaller spaces, making flexbox well-suited for responsive, flexible UI layouts. The flexbox model is controlled with properties such as flex-direction (to choose row vs column, including reverse directions), flex-wrap (to allow items to wrap onto new lines/columns when they overflow), and flex (to control flexible sizing using proportions and optional minimum sizes). Alignment and distribution are handled with align-items (cross-axis alignment) and justify-content (main-axis positioning), while order lets you change the visual order of flex items without changing their source order. Flexbox can also be nested, allowing a flex item to become a flex container for more complex layouts.
Flexbox is a one-dimensional layout system: set display: flex on a container to lay out its children as flex items along a main axis.
Use flex-direction and flex-wrap to control direction and wrapping behavior when items don’t fit.
Control sizing with the flex property (including flex-grow proportions and optional minimum sizing) and align/distribute items with align-items and justify-content.
Reorder items visually with the order property (without changing HTML source order), and use nested flex containers for complex layouts.
The parent element with display: flex set on it, which controls the layout of its direct children.
A direct child of a flex container that participates in the flex layout.
The primary axis along which flex items are laid out, determined by flex-direction.
The axis perpendicular to the main axis, used for cross-axis alignment.
A property that sets the direction of the main axis (e.g., row, column, and their reverse variants).
A property that controls whether flex items stay on one line or wrap onto multiple lines/columns when needed.
A shorthand property that can set flex-grow (proportional expansion), flex-shrink (shrink behavior), and flex-basis (minimum/starting size).
A property that aligns flex items along the cross axis (default behavior is stretch).
A property that positions and distributes flex items along the main axis (e.g., center, space-around, space-between).
A property that changes the visual order of flex items without changing their HTML source order.
A layout technique where a flex item is also set to display: flex, making its children flex items too.
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