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Summary
The user-zoom CSS descriptor controls whether or not the user should be able to change the zoom factor of a document defined by @viewport.
| Related at-rule | @viewport |
|---|---|
| Initial value | zoom |
| Percentages | refer to the size of bounding box |
| Media | visual, continuous |
| Computed value | as specified |
| Canonical order | the unique non-ambiguous order defined by the formal grammar |
Syntax
/* Keyword values */ user-zoom: zoom; user-zoom: fixed;
Values
zoom- The user can zoom in or out.
fixed- The user cannot zoom in or out.
Formal syntax
zoom | fixed
Specifications
| Specification | Status | Comment |
|---|---|---|
| CSS Device Adaptation The definition of '"user-zoom" descriptor' in that specification. |
Working Draft | Initial definition |
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 | ? | ? | ? | ? | ? | ? |