css3 两种背景色,CSS3 / 实例改变背景色和位置 - 汇智网

实例

实例改变背景色和位置

@keyframes myfirst

{

0% {background: red; left:0px; top:0px;}

25% {background: yellow; left:200px; top:0px;}

50% {background: blue; left:200px; top:200px;}

75% {background: green; left:0px; top:200px;}

100% {background: red; left:0px; top:0px;}

}

@-moz-keyframes myfirst /* Firefox */

{

0% {background: red; left:0px; top:0px;}

25% {background: yellow; left:200px; top:0px;}

50% {background: blue; left:200px; top:200px;}

75% {background: green; left:0px; top:200px;}

100% {background: red; left:0px; top:0px;}

}

@-webkit-keyframes myfirst /* Safari 和 Chrome */

{

0% {background: red; left:0px; top:0px;}

25% {background: yellow; left:200px; top:0px;}

50% {background: blue; left:200px; top:200px;}

75% {background: green; left:0px; top:200px;}

100% {background: red; left:0px; top:0px;}

}

@-o-keyframes myfirst /* Opera */

{

0% {background: red; left:0px; top:0px;}

25% {background: yellow; left:200px; top:0px;}

50% {background: blue; left:200px; top:200px;}

75% {background: green; left:0px; top:200px;}

100% {background: red; left:0px; top:0px;}

}