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CSS - z-index
Description
The z-index sets the stacking level of an element.
Possible Values
auto − The stack level of the element is the same as that of its parent element.
integer − The stack level of the element is set to the given value, and it establishes a new stacking context for any descendant elements.
Applies to
All the positioned elements.
DOM Syntax
object.style.zindex = "1";
Example
Following is the example which shows how to create layers in CSS.
<html>
<head>
</head>
<body>
<div style = "background-color:red;
width:300px;
height:100px;
position:relative;
top:10px;
left:80px;
z-index:2">
</div>
<div style = "background-color:yellow;
width:300px;
height:100px;
position:relative;
top:-60px;
left:35px;
z-index:1;">
</div>
<div style = "background-color:green;
width:300px;
height:100px;
position:relative;
top:-220px;
left:120px;
z-index:3;">
</div>
</body>
</html>
This will produce following result −
css_references.htm
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