CSS3地图动态实例代码(圆圈向外扩散)
实例效果图
实例说明：在地图上定位多个不同的点，然后从点中央向外扩散光圈。
实例要点：主要考察CSS3中动画的使用
主要代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>地图</title>
<style>
*{padding:0px;margin: 0px;}
.bg{width: 100%;height:770px;position: relative;}
.bg img{width: 100%;height: 100%;}
.bg .content{width: 748px;height:618px;position: absolute;left: 410px;top: 60px;}
.bg .content div{background:#009FD9;width: 10px;height: 10px;border-radius:50%;position: relative;}
.bg .content p{position: absolute;width: 10px;height: 10px;border-radius:50%;animation: myfirst 1.5s infinite;box-shadow: 0px 0px 1px #009FD9; }
.bg .content span{position: absolute;display:block;width: 10px;height: 10px;border-radius:50%;animation: myfirst 1.5s infinite;box-shadow: 0px 0px 1px #009FD9; animation-delay: 0.5s;}
.bg .content .one{position: absolute;left:600px; top:100px;}
.bg .content .two{position: absolute;left:550px; top:150px;}
.bg .content .three{position: absolute;left:500px; top:200px;}
.bg .content .four{position: absolute;left:450px; top:250px;}
.bg .content .five{position: absolute;left:400px; top:300px;}
.bg .content .six{position: absolute;left:400px; top:350px;}
.bg .content .seven{background: #FF9900;position: absolute;left:350px; top:300px;}
.bg .content .eight{background: #FF9900;position: absolute;left:400px; top:250px;}
.bg .content .nine{background: #A2A9B4;position: absolute;left:250px; top:200px;}
.bg .content .ten{background: #A2A9B4;position: absolute;left:300px; top:350px;}
@keyframes myfirst{
20% {transform: scale(2);}
40% {transform: scale(3);}
60% {transform: scale(4);}
80% {transform: scale(5);}
100% {transform: scale(6);}
}
</style>
</head>
<body>
<div><img src="bg.jpg" alt="">
<div><img src="bg1.png" alt="">
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
<div><p></p><span></span></div>
</div>
</div>
</body>
</html>
注意事项：
1.不同的点通过定位分散排布在地图上
2.每个点内存放着两个不同的隐藏点，隐藏点通过动画延时功能形成点扩散的动态效果
3.点外扩散的扩散圈由隐藏点的阴影构成，然后通过动画一点一点扩大
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