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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

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

See also

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https://developer.mozilla.org/en-US/docs/Web/CSS/max-inline-size