@viewport.min-width

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

By default, min-width is set as close as possible to the initial viewport considering the minimum width constraint.

Related at-rule	@viewport
Initial value	auto
Percentages	refer to the width of the initial viewport
Media	visual, continuous
Computed value	if specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto
Canonical order	the unique non-ambiguous order defined by the formal grammar

Syntax

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

/* <length> values */
min-width: 320px;
min-width: 40em;
min-width: 5cm;

/* <percentage> value */
min-width: 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 width or height of the initial viewport at zoom factor 1.0, for horizontal and vertical lengths respectively. Must be non-negative.

Formal syntax

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

Specifications

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

Browser compatibility