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@viewport.min-height

The min-height CSS descriptor specifies the minimum height of the viewport of a document defined via the @viewport at-rule.

The height will initially be set as close as possible to the initial viewport height considering the minimum height constraint.

Syntax

/* Keyword value */
min-height: auto;

/* <length> values */
min-height: 120px;
min-height: 20em;
min-height: 10cm;

/* <percentage> value */
min-height: 25%;

Values

auto: The used value is calculated from the other CSS descriptors' values.
<length>: A non-negative absolute or relative length.
<percentage>: A percentage value relative to the height of the initial viewport at zoom factor 1.0 for vertical lengths. Must be non-negative.

Formal definition

Related at-rule	`@viewport`
Initial value	`auto`
Percentages	refer to the height of the initial viewport
Computed value	if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, `auto`

Formal syntax

<viewport-length>where 
<viewport-length> = auto | <length-percentage>
where 
<length-percentage> = <length> | <percentage>

Examples

Setting viewport min height in pixels

@viewport {
  min-height: 200px;
}

Specifications

Specification	Status	Comment
CSS Device Adaptation The definition of '"min-height" descriptor' in that specification.	Working Draft	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
`min-height` descriptor	29 — 84	12 Prefixed 12 Prefixed Prefixed Implemented with the vendor prefix: -ms-	No	10 Prefixed 10 Prefixed Prefixed Implemented with the vendor prefix: -ms-	16 16 11.1 — 15	No

	Mobile
	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`min-height` descriptor	4.4 — 37	29 — 84	No	16 16 11.1 — 14	No	2.0