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
.
/* <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; max-height: fill-available; /* Global values */ max-height: inherit; max-height: initial; max-height: unset;
<length>
<length>
.<percentage>
<percentage>
of the containing block's height. If the height of the containing block is not specified explicitly, the percentage value is treated as zero.none
max-content
min-content
fill-available
available
.)fit-content
max-content.
<length> | <percentage> | none | max-content | min-content | fit-content | fill-available
table { max-height: 75%; } form { max-height: none; }
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.
Specification | Status | Comment |
---|---|---|
CSS Intrinsic & Extrinsic Sizing Module Level 3 The definition of 'max-height' in that specification. | Working Draft | Adds the max-content , min-content , fit-content , and fill-available keywords. (Both CSS3 Box and CSS3 Writing Modes drafts used to define these keywords, but are superseded by this spec.)
|
CSS Transitions The definition of 'max-height' in that specification. | Working Draft | Defines max-height as animatable. |
CSS Level 2 (Revision 1) The definition of 'max-height' in that specification. | Recommendation | Initial 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 . |
Media | visual |
Computed value | the percentage as specified or the absolute length or none
|
Animation type | a length, percentage or calc(); |
Canonical order | the unique non-ambiguous order defined by the formal grammar |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 1 | 12 | 1
|
7 | 7
|
1 |
fit-content , max-content , and min-content
|
No
|
No | 3
|
No | No | 9
|
fill-available
|
No | No | No | No | No | No |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | ? | ? | Yes | ? | ? | ? | ? |
fit-content , max-content , and min-content
|
? | ? | No | ? | ? | 9
|
No |
fill-available
|
? | ? | No | ? | ? | ? | No |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/max-height