įorces it to the bottom within each entry box,.This provides a sensible ordering for speech rendering and in non-CSS browsers.įor a more compelling visual presentation, however, order is used to pull the image up from later in the content to the top,Īnd align-self is used to center it horizontally. With the title first, followed by the description and the photo. Within each entry, the source document content is ordered logically The catalog uses flex layout to lay out rows of items horizontally,Īnd to ensure that items within a row are all equal-height.Įach entry is then itself a column flex container, The designer’s intention is that each entry has the same overall size,Īnd that the purchase buttons aligned at the bottom, regardless of the length of the item’s description.įlex layout makes many aspects of this design easy: Here’s an example of a catalog where each item has a title, a photo, a description, and a purchase button. Ĭan be dynamically collapsed or uncollapsedĪlong the main axis while preserving the container’s cross size.Ĭan be aligned with respect to their container or each other on the secondary ( cross).Ĭan “flex” their sizes to respond to the available space.Ĭan be laid out linearly along a single ( main) axis or wrapped into multiple lines along a secondary ( cross) axis.(i.e., visual order can be independent of source and speech order) Ĭan have their display order reversed or rearranged at the style layer.In ways that web apps and complex web pages often need.Ĭan be laid out in any flow direction (leftwards, rightwards, downwards, or even upwards!) In return it gains simple and powerful toolsįor distributing space and aligning content That can be used in block layout, such as floats and columns.

It lacks many of the more complex text- or document-centric properties Overviewįlex layout is superficially similar to block layout.

Which is designed for laying out more complex applications and webpages. This module introduces a new layout mode, flex layout , Positioned layout, designed for very explicit positioning without much regard for other elements in the document Table layout, designed for laying out 2D data in a tabular format Inline layout, designed for laying out text The size and position of boxes based on their relationshipsīlock layout, designed for laying out documents Implementations of Unstable and Proprietary FeaturesĬSS 2.1 defined four layout modes - algorithms which determine.Requirements for Responsible Implementation of CSS.Changes since the 18 September 2012 Candidate Recommendation.Changes since the 25 September 2014 LCWD.10.1 Sample Flex Fragmentation Algorithm.9.9.3 Flex Item Intrinsic Size Contributions.9.9.2 Flex Container Intrinsic Cross Sizes.9.9.1 Flex Container Intrinsic Main Sizes.8.4 Packing Flex Lines: the align-content property.8.3 Cross-axis Alignment: the align-items and align-self properties.8.2 Axis Alignment: the justify-content property.5.3 Flex Direction and Wrap: the flex-flow shorthand.5.2 Flex Line Wrapping: the flex-wrap property.5.1 Flex Flow Direction: the flex-direction property.4.5 Automatic Minimum Size of Flex Items.4.1 Absolutely-Positioned Flex Children.3 Flex Containers: the flex and inline-flex display values.2 Flex Layout Box Model and Terminology.This document is governed by the 1 February 2018 W3C Process Document. That page also includes instructions for disclosing a patent.Īn individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group This document was produced by a group operating under Obsoleted by other documents at any time. This is a draft document and may be updated, replaced or Publication as a Candidate Recommendation does not imply endorsement by the W3C When filing an issue, please put the text “css-flexbox” in the title,

GitHub Issues are preferred for discussion of this specification. To ensure the opportunity for wide review. This document will remain a Candidate Recommendation at least until 19 December 2018 in order This document is intended to become a W3C Recommendation. This document was produced by the CSS Working Group as a Candidate Recommendation. Other documents may supersede this document.Ī list of current W3C publications and the latest revision of this technical reportĬan be found in the W3C technical reports index at. This section describes the status of this document at the time of its publication. Ian Hickson ( formerly of Opera Software)ĭavid Hyatt ( formerly of Netscape Corporation)

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