CSS z-index Property
 Complete CSS Reference
Example
Set the z-index for an image:
img
{
position:absolute;
left:0px;
top:0px;
z-index:-1;
} |
Try it yourself »
|
Definition and Usage
The z-index property specifies the stack order of an element.
An element with greater stack order is always in front of an element with a lower stack order.
Note: z-index only works on positioned elements (position:absolute, position:relative, or position:fixed).
| Default value: |
auto |
| Inherited: |
no |
| Version: |
CSS2 |
| JavaScript syntax: |
object.style.zIndex="1" |
Browser Support
The z-index property is supported in all major browsers.
Note: No versions of Internet Explorer (including IE8) support the property value "inherit".
Property Values
| Value |
Description |
| auto |
Sets the stack order equal to its parents. This is default |
| number |
Sets the stack order of the element. Negative numbers are
allowed |
| inherit |
Specifies that the z-index should be inherited
from the parent element |
Related Pages
CSS tutorial: CSS Positioning
HTML DOM reference:
zIndex property
Complete CSS Reference
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