CSS - min-zoom

The min-zoom CSS descriptor sets the minimum zoom factor of a document defined via @viewport. The browser will not zoom out any further than this, whether automatically or at the user's request.

Syntax  

Values

auto
The user agent will set the document's upper zoom factor limit.
<number>
A non-negative number limiting the minimum value of the zoom factor.
<percentage>
A non-negative percentage limiting the minimum value of the zoom factor.

Formal syntax

CSS
auto <a href="css/value_definition_syntax#single_bar" title="Single bar">|</a> <a href="css/number" title=""><number></a> <a href="css/value_definition_syntax#single_bar" title="Single bar">|</a> <a href="css/percentage" title=""><percentage></a>

Description  

The min-zoom CSS descriptor sets the minimum zoom factor of a document defined via @viewport. The browser will not zoom out any further than this, whether automatically or at the user's request.

A zoom factor of 1.0 or 100% corresponds to no zooming. Larger values zoom in. Smaller values zoom out.

Related at-rule@viewport
Initial valueauto
Percentagesthe zoom factor itself
Mediavisual, continuous
Computed valueauto, or a non-negative number or percentage as specified
Canonical orderthe unique non-ambiguous order defined by the formal grammar

Browser Compatibility  

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? ? ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ? ?

 

Specifications  

Specification Status Comment
CSS Device Adaptation
The definition of '"min-zoom" 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-zoom

CSS CSS Descriptor NeedsBrowserCompatibility NeedsExample Reference