Perform Animation on CSS opacity

CSSWeb DevelopmentFront End Technology

To implement animation on opacity property with CSS, you can try to run the following code:


Live Demo

<!DOCTYPE html>
         #demo1 {
            position: absolute;
            top: 60px;
            width: 300px;
            height: 150px;
            background-color: lightblue;
            animation: myanim 4s infinite;
         #demo2 {
            position: absolute;
            top: 90px;
            left: 30px;
            width: 300px;
            height: 150px;
            background-color: orange;
            animation: myanim 3s infinite;
         #demo3 {
            position: absolute;
            top: 120px;
            left: 60px;
            width: 350px;
            height: 150px;
            background-color: coral;
         @keyframes myanim {
            30% {
               opacity: 0.4;
      <p>Showing opacity</p>
      <div id = "demo1"><h1>End div</h1></div>
      <div id = "demo2"></div>
      <div id = "demo3"><h1>Start div</h1></div>
Updated on 25-Jun-2020 14:34:54