CSS opacity() Function
The opacity() function is an inbuilt function which is used to apply a filter to the image to set the transparency of the image.
Syntax:
opacity( amount )
Parameters: This function accepts single parameter amount which holds the amount of transparency. The value of opacity is set in terms of number and percentage. The value 0% represents the complete transparent image and 100% represents the original image.
Below example illustrates the opacity() function in CSS:
Example:
html
<!DOCTYPE html> < html > < head > < title >CSS opacity() Function</ title > < style > h1 { color:green; } body { text-align:center; } .opacity_effect { filter: opacity(30%); } </ style > </ head > < body > < h1 >w3wiki</ h1 > < h2 >CSS opacity() function</ h2 > < img class = "opacity_effect" src = "https://media.w3wiki.net/wp-content/cdn-uploads/20190710102234/download3.png" alt = "w3wiki logo" > </ body > </ html > |
Output:
Supported Browsers: The browsers supported by opacity() function are listed below:
- Google Chrome 18 and above
- Edge 12 and above
- Internet Explorer not supported
- Firefox 35 and above
- Safari 6 and above
- Opera 15 and above
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