The user-zoom
CSS descriptor controls whether or not the user can change the zoom factor of a document defined by @viewport
.
/* Keyword values */ user-zoom: zoom; user-zoom: fixed;
Related at-rule | @viewport |
---|---|
Initial value | zoom |
Percentages | refer to the size of bounding box |
Media | as each of the properties of the shorthand:
|
Computed value | as specified |
Canonical order | the unique non-ambiguous order defined by the formal grammar |
zoom
fixed
zoom | fixed
Disabling zooming capabilities prevents people experiencing low vision conditions from being able to read and understand page content.
Specification | Status | Comment |
---|---|---|
CSS Device Adaptation The definition of '"user-zoom" descriptor' in that specification. | Working Draft | Initial definition |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 29 | Yes
|
No | 10
|
? | No |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | ? | 29 | Yes
|
No | ? | No | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/CSS/@viewport/user-zoom