自动移动，目前css3是有这样的效果的，叫做css3动画
给你一个示例
你要注意的一点是目前这个只能支持最低为IE10及以上版本才能够运行的哦
Chrome 和 Safari 需要前缀 -webkit-。
本答案出自“我要编程”软件开发师训练平台免费课程。
<!DOCTYPE html><html>
<head>
<style>
div
{
width:100px
height:100px
background:red
position:relative
animation:myfirst 5s
-moz-animation:myfirst 5s /* Firefox */
-webkit-animation:myfirst 5s /* Safari and Chrome */
-o-animation:myfirst 5s /* Opera */
}
@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 and 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}
}
</style>
</head>
<body>
<p><b>注释：</b>本例在 Internet Explorer 中无效。</p>
<div></div>
</body>
</html>
<!doctype html><html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style type="text/css">
*{padding:0margin:0border:0}
.left{width:50%float:left
animation:myfirst 5s
-moz-animation:myfirst 5s/* Firefox */
-webkit-animation:myfirst 5s/* Safari and Chrome */
-o-animation:myfirst 5s/* Opera */
}
.right{width:50%float:left
animation:myfirst 5s
-moz-animation:myfirst 5s/* Firefox */
-webkit-animation:myfirst 5s/* Safari and Chrome */
-o-animation:myfirst 5s/* Opera */
animation-delay: 5s/* W3C 和 Opera */
-moz-animation-delay: 5s/* Firefox */
-webkit-animation-delay: 5s/* Safari 和 Chrome */
}
@keyframes myfirst
{
0% { opacity:0}
100% { opacity:1}
}
@-moz-keyframes myfirst /* Firefox */
{
0% { opacity:0}
100% { opacity:1}
}
@-webkit-keyframes myfirst /* Safari 和 Chrome */
{
0% { opacity:0}
100% { opacity:1}
}
@-o-keyframes myfirst /* Opera */
{
0% { opacity:0}
100% { opacity:1}
}
</style>
</head>
<body>
<div>
<div class="left"><img src="images/xxx.jpg"></div>
<div class="right">文字XXXXXXXXXXXXXXXXXXXXXXXX </div>
</div>
</body>
</html>
