max-height
Quick Summary for max-height
max-height CSS property sets the maximum height of an element. It prevents the used value of the height property from becoming larger than the value specified for max-height.
Code Usage for max-height
/* <length> value */ max-height: 3.5em; /* <percentage> value */ max-height: 75%; /* Keyword values */ max-height: none; max-height: max-content; max-height: min-content; max-height: fit-content(20em); /* Global values */ max-height: inherit; max-height: initial; max-height: revert; max-height: unset; More Details for max-height
max-height
The max-height CSS property sets the maximum height of an element. It prevents the used value of the height property from becoming larger than the value specified for max-height.
max-height overrides height, but min-height overrides max-height.
Syntax
/* <length> value */ max-height: 3.5em; /* <percentage> value */ max-height: 75%; /* Keyword values */ max-height: none; max-height: max-content; max-height: min-content; max-height: fit-content(20em); /* Global values */ max-height: inherit; max-height: initial; max-height: revert; max-height: unset; Values
<length> Defines the max-height as an absolute value.
<percentage> Defines the max-height as a percentage of the containing block's height.
none No limit on the size of the box.
max-content The intrinsic preferred max-height.
min-content The intrinsic minimum max-height.
fit-content(<length-percentage>) Uses the fit-content formula with the available space replaced by the specified argument, i.e. min(max-content, max(min-content, argument)).
Accessibility concerns
Ensure that elements set with a max-height are not truncated and/or do not obscure other content when the page is zoomed to increase text size.
Formal definition
| Initial value | none |
|---|---|
| Applies to | all elements but non-replaced inline elements, table columns, and column groups |
| Inherited | no |
| Percentages | The percentage is calculated with respect to the height of the generated box's containing block. If the height of the containing block is not specified explicitly (i.e., it depends on content height), and this element is not absolutely positioned, the percentage value is treated as none. |
| Computed value | the percentage as specified or the absolute length or none |
| Animation type | a length, percentage or calc(); |
Formal syntax
none | <length-percentage> | min-content | max-content | fit-content | fit-content(<length-percentage>)where
<length-percentage> = <length> | <percentage>
Examples
Setting max-height using percentage and keyword values
table { max-height: 75%; } form { max-height: none; } Specifications
| Specification |
|---|
| CSS Box Sizing Module Level 4 # width-height-keywords |
See also
The box model,box-sizing height, min-height The mapped logical properties: max-inline-size, max-block-size Last modified: Aug 12, 2021, by MDN contributors
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