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


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CSS Opacity

The CSS Opacity property is used to set the clarity of the image. It is defined as degree and specify the transparency of an element.

Note: Opacity value will be less than 1.

Let us see an example of CSS opacity:

<!DOCTYPE html>    
    opacity: 0.5;    
    filter: alpha(opacity=40); /* For IE8 and earlier */    
<p>without Opacity Image</p>    
<img src="image/opacity-img.png">    
<p>Transparent Image</p>    
<img class="traspar" src="image/opacity-img.png">