![]() ![]() This defines the alignment along the main axis. The cross size property is whichever of ‘width’ or ‘height’ that is in the cross dimension. cross size – The width or height of a flex item, whichever is in the cross dimension, is the item’s cross size.cross-start | cross-end – Flex lines are filled with items and placed into the container starting on the cross-start side of the flex container and going toward the cross-end side.Its direction depends on the main axis direction. ![]() cross axis – The axis perpendicular to the main axis is called the cross axis.The flex item’s main size property is either the ‘width’ or ‘height’ property, whichever is in the main dimension. main size – A flex item’s width or height, whichever is in the main dimension, is the item’s main size.main-start | main-end – The flex items are placed within the container starting from main-start and going to main-end.Beware, it is not necessarily horizontal it depends on the flex-direction property (see below). main axis – The main axis of a flex container is the primary axis along which flex items are laid out.Items will be laid out following either the main axis (from main-start to main-end) or the cross axis (from cross-start to cross-end). Please have a look at this figure from the specification, explaining the main idea behind the flex layout. If “regular” layout is based on both block and inline flow directions, the flex layout is based on “flex-flow directions”. Some of them are meant to be set on the container (parent element, known as “flex container”) whereas the others are meant to be set on the children (said “flex items”). Since flexbox is a whole module and not a single property, it involves a lot of things including its whole set of properties. Note: Flexbox layout is most appropriate to the components of an application, and small-scale layouts, while the Grid layout is intended for larger scale layouts. While those work well for pages, they lack flexibility (no pun intended) to support large or complex applications (especially when it comes to orientation changing, resizing, stretching, shrinking, etc.). Most importantly, the flexbox layout is direction-agnostic as opposed to the regular layouts (block which is vertically-based and inline which is horizontally-based). A flex container expands items to fill available free space or shrinks them to prevent overflow. The main idea behind the flex layout is to give the container the ability to alter its items’ width/height (and order) to best fill the available space (mostly to accommodate to all kind of display devices and screen sizes). The responsive classes above must be placed inside a w3-rowĬlass (or w3-row-padding class) to be fully responsive.The Flexbox Layout (Flexible Box) module ( a W3C Candidate Recommendation as of October 2017) aims at providing a more efficient way to lay out, align and distribute space among items in a container, even when their size is unknown and/or dynamic (thus the word “flex”). Occupies 3/4 of the window (on medium and large screens)ĭefines one column in a 12-column responsive gridĪdds mobile-first responsiveness to a cell (column).Įlements as block elements on mobile devices. Occupies 1/4 of the window (on medium and large screens) Occupies 2/3 of the window (on medium and large screens) Occupies 1/3 of the window (on medium and large screens) Occupies 1/2 of the window (on medium and large screens) W3.CSS's grid system is responsive, and the columns will re-arrange automatically depending on the screen size: Class References W3.CSS Reference W3.CSS Downloads Web Building Web Intro Web HTML Web CSS Web JavaScript Web Layout Web Band Web Catering Web Restaurant Web ArchitectĮxamples W3.CSS Examples W3.CSS Demos W3.CSS Templates W3.CSS Colors W3.CSS Color Classes W3.CSS Color Material W3.CSS Color Flat UI W3.CSS Color Metro UI W3.CSS Color Win8 W3.CSS Color iOS W3.CSS Color Fashion W3.CSS Color Libraries W3.CSS Color Schemes W3.CSS Color Themes W3.CSS Color Generator W3.CSS W3.CSS HOME W3.CSS Intro W3.CSS Colors W3.CSS Containers W3.CSS Panels W3.CSS Borders W3.CSS Cards W3.CSS Defaults W3.CSS Fonts W3.CSS Google W3.CSS Text W3.CSS Round W3.CSS Padding W3.CSS Margins W3.CSS Display W3.CSS Buttons W3.CSS Notes W3.CSS Quotes W3.CSS Alerts W3.CSS Tables W3.CSS Lists W3.CSS Images W3.CSS Inputs W3.CSS Badges W3.CSS Tags W3.CSS Icons W3.CSS Responsive W3.CSS Layout W3.CSS Animations W3.CSS Effects W3.CSS Bars W3.CSS Dropdowns W3.CSS Accordions W3.CSS Navigation W3.CSS Sidebar W3.CSS Tabs W3.CSS Pagination W3.CSS Progress Bars W3.CSS Slideshow W3.CSS Modal W3.CSS Tooltips W3.CSS Grid W3.CSS Code W3.CSS Filters W3.CSS Trends W3.CSS Case W3.CSS Material W3.CSS Validation W3.CSS Versions W3.CSS Mobile ![]()
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