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max-inline-size

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 either the max-width or the max-height property, depending on the value of 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. A related property is max-block-size, which defines the other dimension of the element.

Try it

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(20em);

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

Values

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

Formal definition

Initial value	`none`
Applies to	same as `width` and `height`
Inherited	no
Percentages	inline-size of containing block
Computed value	same as `max-width` and `max-height`
Animation type	a length, percentage or calc();

Formal syntax

max-inline-size = 
  <'max-width'>

Examples

Setting maximum inline size in pixels

HTML

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

CSS

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

Result

Specifications

Specification
CSS Logical Properties and Values Level 1 # propdef-max-inline-size

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`max-inline-size`	57	79	41	No	44	12.110.1	57	57	41	43	12.210.3	7.0
`fit-content`	57	79	41	No	44	12.1	57	57	41	43	12.2	7.0
`fit-content_function`	No	No	91	No	No	No	No	No	No	No	No	No
`max-content`	57	79	6641	No	44	12.1	57	57	6641	43	12.2	7.0
`min-content`	57	79	6641	No	44	12.1	57	57	6641	43	12.2	7.0