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CSS max-height Property

The max-height property sets the maximum height of an element.

If the content is larger than the maximum height, it will overflow.

If the content is smaller than the maximum height, the max-height property has no effect.

This prevents the value of the height property from becoming larger than max-height.

CSS Demo: max-height

max-height: 100px;
max-height: 300px;
max-height: 40px;
max-height: 10px;
max-height: none;
This is a box where you can change
the maximum height.
This will limit how tall the box can be.

Note: The max-height overrides height, but min-height overrides max-height.

Technical Details

Default value "none"
Applies to all elements, except inline elements
Inherited no
Computed value as specified
Animatable yes See animatable properties. Demo
Version CSS2
JavaScript syntax object.style.maxHeight = "100px" Demo

CSS Syntax:

max-height: none|length|initial|inherit;


The following example shows how to use max-height property:

Run code

Browser compatibility

The numbers in the table specify the first browser version that fully supports the max-height property:

max-height 1 1 7 1 7

Property Values

The following table describes the values of max-height property:

Value Description
none No maximum height (This is default)
length Defines the maximum height in length See length units
initial Sets this property to its default value
inherit Inherits this property from its parent element

See also

CSS Box model tutorial

CSS height property

CSS width property

CSS min-height property

CSS min-width property

CSS max-width property