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Warning: This is a property of the original CSS Flexible Box Layout Module draft, and has been replaced in newer drafts.
See Flexbox for more information.
Summary
The CSS box-orient property specifies whether an element lays out its contents horizontally or vertically. See Flexbox for more about the properties of flexbox elements.
For example, XUL box and hbox elements lay out their contents horizontally by default, but XUL vbox elements lay out their contents vertically by default.
HTML DOM elements lay out their contents along the inline-axis by default. This CSS property will only apply to HTML elements with a CSS display value of box or inline-box.
| Initial value | inline-axis (horizontal in XUL) |
|---|---|
| Applies to | elements with a CSS display value of box or inline-box |
| Inherited | no |
| Media | visual |
| Computed value | as specified |
| Animatable | no |
| Canonical order | the unique non-ambiguous order defined by the formal grammar |
Syntax
/* Keyword values */ box-orient: horizontal; box-orient: vertical; box-orient: inline-axis; box-orient: block-axis; /* Global values */ box-orient: inherit; box-orient: initial; box-orient: unset;
Values
horizontal- The box lays out its contents horizontally.
vertical- The box lays out its contents vertically.
inline-axis(HTML)- The box displays its children along the inline axis.
block-axis(HTML)- The box displays its children along the block axis.
The inline and block axes are the writing-mode dependent keywords which, in English, map to horizontal and vertical respectively.
Formal syntax
horizontal | vertical | inline-axis | block-axis | inherit
Examples
<!DOCTYPE html>
<html>
<head>
<title>CSS box-orient example</title>
<style>
div.example {
display: -moz-box; /* Mozilla */
display: -webkit-box; /* WebKit */
display: box; /* As specified */
/* Children should be oriented vertically */
-moz-box-orient: horizontal; /* Mozilla */
-webkit-box-orient: horizontal; /* WebKit */
box-orient: horizontal; /* As specified */
}
</style>
</head>
<body>
<div class="example">
<p>I will be to the left of my sibling.</p>
<p>I will be to the right of my sibling.</p>
</div>
</body>
</html>
The box-orient property will cause the above two <p> sections in the example to display in the same line, as shown here:
Notes
For XUL elements, if the orientation is set using the element's orient attribute, then the style is ignored.
Specifications
Flexible Box Layout Module (W3C Working Draft)
Old Flexible Box Layout Module
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes)-webkit | (Yes)-moz[1] | No support | (Yes)-webkit | 1.1-khtml 3.0-webkit |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) -moz[1] | No support | ? | 1.0-webkit |
[1] In addition to the -moz prefixed support, Gecko 48.0 (Firefox 48.0 / Thunderbird 48.0 / SeaMonkey 2.45) added support for a -webkit prefixed version of the property for web compatibility reasons behind the preference layout.css.prefixes.webkit, defaulting to false. Since Gecko 49.0 (Firefox 49.0 / Thunderbird 49.0 / SeaMonkey 2.46) the preference defaults to true.