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<!DOCTYPE html>
<html>
<head>
<style> 
#myDIV {
  width: 300px;
  height: 200px;
  background: red;
  -webkit-animation: mymove 5s infinite; /* Safari 4.0 - 8.0 */
  animation: mymove 5s infinite;
}
​
/* Safari 4.0 - 8.0 */
@-webkit-keyframes mymove {
  50% {background-color: blue;}
}
​
@keyframes mymove {
  50% {background-color: blue;}
}
</style>
</head>
<body>
​
<h1>Animation of background-color</h1>
​
<p>Gradually change the background-color from red to blue, and back to red:<p>
<div id="myDIV"></div>
​
<p><b>Note:</b> CSS Animations do not work in Internet Explorer 9 and earlier versions.</p>
​
</body>
​
<!-- Mirrored from www.w3schools.com/cssref/tryit.asp?filename=trycss_anim_background-color by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 13:18:18 GMT -->
</html>
​
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