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CSS Flexible Box Layout, commonly known as Flexbox, [2] is a CSS web layout model. [4] It is in the W3C 's candidate recommendation (CR) stage. [ 2 ] The flex layout allows responsive elements within a container to be automatically arranged depending on viewport (device screen) size.
Once a container is in place, other Bootstrap layout components implement a CSS Flexbox layout through defining rows and columns. A precompiled version of Bootstrap is available in the form of one CSS file and three JavaScript files that can be readily added to any project.
This template is a CSS flexbox that places up to 15 content blocks of equal height and width in a row, allowing line wraps if the total content size exceeds the display width. The following settings can be adjusted:
Historically, there have been other methods for controlling web page layout methods, such as tables, floats, and more recently, CSS Flexible Box Layout (flexbox). CSS grid is currently not an official standard (it is a W3C Candidate Recommendation) although it has been adopted by the recent versions of all current major browsers. [7]
For example: |flex1=3 |flex2=2 will result in the first column taking up to 60% (3/5) of the available width, and the second column taking up at least 40% (2/5) of the width. Note that the actual column balance will vary depending on screen size, since the minimum width of each column is set at 360px.
The Cascading Style Sheets (CSS) specification describes how elements of web pages are displayed by graphical browsers. Section 4 of the CSS1 specification defines a "formatting model" that gives block-level elements—such as p and blockquote—a width and height, and three levels of boxes surrounding it: padding, borders, and margins. [4]
To demonstrate specificity Inheritance Inheritance is a key feature in CSS; it relies on the ancestor-descendant relationship to operate. Inheritance is the mechanism by which properties are applied not only to a specified element but also to its descendants. Inheritance relies on the document tree, which is the hierarchy of XHTML elements in a page based on nesting. Descendant elements may ...
Possibly one of the most anticipated features of CSS3, Flexible Box Layout (a.k.a. Flexbox) promises to be an extremely powerful tool for laying out interface elements. WebKit and Mozilla engines have supported a preliminary draft syntax for years. Flexie implements support for that same syntax in IE and Opera.