'z-index' Example : z index « CSS « HTML / CSS






'z-index' Example

  
    
<div id="myDiv" 
     style="position:absolute; 
            left:168px; 
            top:251px; 
            width:192px; 
            height:66px; 
            z-index:1; 
            background-color:red;">
an z-index of 1.
</div>
<div style="position:absolute; 
            left:168px; 
            top:251px; 
            z-index:12; 
            height:50; 
            background-color:blue;">
a z-index of 12.
</div>
<button onclick="myDiv.style.zIndex = 20;">
Bring red to front
</button>

    
      
        
    
  








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5.Z-index Positioning
6.The z-index property controls how elements are layered along an invisible z-axis.
7.You can control the z-index explicitly, however, by providing an integer value to the z-index property.
8.Nested elements handle the z-index property differently. Descendant elements must always have a z-index higher than that of their parent.
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11.Inline style for z-index
12.z-index controls the stacking order of positioned elements.
13.A negative value places element below the normal flow, and a positive value places them above the flow.
14.Use z-index to change the overlap index
15.Set z-index to 100
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