CSS - min-width
The min-width
CSS descriptor specifies the minimum width of the viewport of a document defined via @viewport
.
Syntax
CSS
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/* 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
CSS
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<a href="css/@viewport/min-width#viewport-length"><viewport-length></a><p>where <br><code><viewport-length> = auto <a title="Single bar" href="css/value_definition_syntax#single_bar">|</a> <a href="css/@viewport/min-width#length-percentage"><length-percentage></a></code></p><p>where <br><code><length-percentage> = <a title="Possible values: a number followed by'em', 'ex', 'ch', 'rem', 'px', 'cm', 'mm', 'in', 'vh', 'vw', 'vmin', 'vmax', 'pt', 'pc' or 'px', like 3px, 1.5cm, -0.5em or 0" href="css/length"><length></a> <a title="Single bar" href="css/value_definition_syntax#single_bar">|</a> <a title="" href="css/percentage"><percentage></a></code></p>
Description
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 |
Browser Compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 29 (behind a flag) | No support | 10 -ms | 11.10 Removed in 15 Reintroduced behind a flag in 16 |
No support |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | 4.4 | 29 | No support | 10-ms | 11.10 Removed in 15 Reintroduced behind a flag in 16 |
No support |
Specifications
Specification | Status | Comment |
---|---|---|
CSS Device Adaptation The definition of '"min-width" descriptor' in that specification. |
Working Draft | Initial definition |
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/css/@viewport/min-width