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Flexbox
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<p>CSS Flexible Box Layout, commonly known as Flexbox, is a <a href="/facts/Cascading_Style_Sheets/tA90XBQo">CSS</a> web layout model. It is in the <a href="/facts/W3C/lGWmhF6M">W3C</a>'s candidate recommendation (CR) stage. The flex layout allows <a href="/facts/Responsive_web_design/gXbDHuno">responsive</a> elements within a container to be automatically arranged depending on viewport (device screen) size. </p>