CSS Introduction

CSS Tutorial What is CSS CSS Syntax CSS Selector How to include CSS CSS Comments

CSS Attributes

CSS Background CSS Border CSS Display CSS Float CSS Font CSS Color CSS Hover CSS Important CSS Line-height CSS Margin CSS Opacity CSS Filter CSS Images CSS Overflow CSS Padding CSS Position CSS Vertical align CSS White space CSS Width Word-wrap in CSS Box-shadow in CSS Text-transform in CSS CSS Outline CSS Visibility CSS Counters CSS Clear fix CSS Icons CSS Justify-content Text-decoration in CSS CSS Lists CSS nth selector CSS Sticky CSS Background-clip CSS Checkbox-style CSS Letter-spacing CSS Navigation bar CSS Overlay CSS Root CSS Specificity CSS Text-indent CSS Text-stroke CSS Zoom CSS Order CSS Descendent selector CSS Clip CSS calc() CSS Background-blend-mode CSS radio-button CSS Superscript and subscript CSS Text-effects CSS Text-align CSS Variables CSS Page-break-before CSS Page-break-inside CSS Page-break-after CSS Content property CSS Word-spacing CSS Animation CSS @keyframes rules CSS Pseudo-classes CSS Pseudo-elements CSS Radial-gradient CSS Translate CSS Gradients CSS z-index CSS Loaders CSS Units CSS Transition CSS Masking CSS Arrow CSS Pagination

Misc

What is Bootstrap CSS What is CSS used for Difference between HTML and CSS How to center a table in CSS What is a CSS File How to center a button in CSS How to change background color in CSS How to change the font in CSS How to change font size in CSS How to resize an image in CSS How to get rid of bullet pioints in CSS Is CSS a programming language Grid Vs Flexbox in CSS How to edit CSS in WordPress How to use google fonts in CSS

CSS z-index Property

CSS z-index: CSS z-index permits us to represent any visual hierarchy over a 3D plane that is the z-axis. This index can be applied to describe the positioned element’s stacking order (these are the elements whose value of the position is sticky, relative, absolute, or fixed). The order of the stacking means that any place of a component over the z-axis, perpendicular to a screen.

It will depict the order of an element when they overlap with each other.

Syntax:

z-index: number|auto|inherit|initial;  

Property Values

number: This property value defines the stack level of an element, which will help to set any given value. It permits the use of negative values.

auto: This property value defines the stack’s order is equal to its parent, that is the default value.

Let’s try to examine this concept using the following illustrations.

Example:

<!DOCTYPE html>  
<html>  
<head>  
<style>  
div
{ 
position:fixed; 
width:550px; 
height:300px; 
z-index:20; 
background-color: violet; 
} 
img
{ 
position:relative; 
z-index:22; 
} 
h1
{ 
position:relative; 
z-index:28; 
color:purple; 
} 
</style>  
</head>  
<body> 
<div></div> 
<img src="Flower1.jpg"></img> 
<h1> Welcome to the Tutorial and Example </h1> 
</body>  
</html> 

Output:

CSS z index Property



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