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max-inline-size

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The max-inline-size CSS property defines the horizontal or vertical maximum size of an element's block depending on its writing mode. It corresponds to the max-width or the max-height property depending on the value defined for writing-mode. If the writing mode is vertically oriented, the value of max-inline-size relates to the maximal height of the element, otherwise it relates to the maximal width of the element. It relates to max-block-size, which defines the other dimension of the element.

Syntax

/* <length> values */
max-inline-size: 300px;
max-inline-size: 25em;

/* <percentage> values */
max-inline-size: 75%;

/* Keyword values */
max-inline-size: none;
max-inline-size: max-content;
max-inline-size: min-content;
max-inline-size: fit-content;
max-inline-size: fill-available;

/* Global values */
max-inline-size: inherit;
max-inline-size: initial;
max-inline-size: unset;

Initial value	`0`
Applies to	same as `width` and `height`
Inherited	no
Percentages	inline-size of containing block
Media	visual
Computed value	same as `max-width` and `max-height`
Animation type	discrete
Canonical order	the unique non-ambiguous order defined by the formal grammar

Values

The max-inline-size property takes the same values as the max-width and max-height properties.

Formal syntax

<'max-width'>

Example

HTML Content

<p class="exampleText">Example text</p>

CSS Content

.exampleText {
  writing-mode: vertical-rl;
  background-color: yellow;
  block-size: 100%;
  max-inline-size: 200px;
}

Specification

Specification	Status	Comment
CSS Logical Properties and Values Level 1 The definition of 'max-inline-size' in that specification.	Editor's Draft	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	57	No	41 41 38 — 51 Disabled Disabled From version 38 until version 51 (exclusive): this feature is behind the `layout.css.vertical-text.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	No	44	10.1 Prefixed 10.1 Prefixed Prefixed Implemented with the vendor prefix: -webkit-

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	57	57	No	41 41 38 — 51 Disabled Disabled From version 38 until version 51 (exclusive): this feature is behind the `layout.css.vertical-text.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	44	10.2 Prefixed 10.2 Prefixed Prefixed Implemented with the vendor prefix: -webkit-	Yes