css3-xhtml tutorial: Change the background through animation property

Change the background color when the animation is 25%, 50%, and again   when the animation is 100% complete:@keyframes myfirst

Syntax :
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}
}

@-moz-keyframes myfirst /* Firefox */
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}
}

@-webkit-keyframes myfirst /* Safari and Chrome */
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}

Example

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>animation-rotation </title>
<style type="text/css">
body{margin:0;padding:50px; background:#eee;color:#fff }
div
{
width:200px;
height:200px;
background: #663366;
position:relative;
animation:myfirst 5s;
-moz-animation:myfirst 5s; /* Firefox */
-webkit-animation:myfirst 5s; /* Safari and Chrome */
}
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}
}

@-moz-keyframes myfirst /* Firefox */
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}
}

@-webkit-keyframes myfirst /* Safari and Chrome */
{
0%   {background: red;}
25% {background: yellow;}
50% {background: blue;}
100% {background: green;}
</style>
</head>
<body>
<div>Hello World.
<p> The div element changes the background effect.</p>
</div>
</body>
</html>

Tuesday, 27 December 2011

Change the background through animation property