CSS3 水波纹

css3 动画设置水波纹，效果如下图：
源码：
<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">

    <title>test</title>

</head>

<style type="text/css">

.dot-box{height:40px;width:40px;border-radius:100%;position:relative;margin:40px;}

.dot-box:hover{cursor:pointer;}

.dot1 {

  animation: keyframes-dot1 1.5s cubic-bezier(.17,.67,.18,.41);

}

.dot2 {

  animation: keyframes-dot2 1.5s cubic-bezier(.17,.67,.18,.41);//贝塞尔曲线生成网站：http://cubic-bezier.com/

}

.dot3 {

  animation: keyframes-dot3 1.5s cubic-bezier(.17,.67,.18,.41);

}

.dot1,.dot2,.dot3{

  height: 40px;

  width: 40px;

  background: rgba(249,58,28, 1);

  color: white;

  line-height: 40px;

  text-align: center;

  border-radius: 100%;

  animation-iteration-count:infinite;

}

@keyframes keyframes-dot1 {

  0% {

    box-shadow: 0 0 0 0px rgba(238,67,40, 0.7);

  }

  100% {

    box-shadow: 0 0 0 30px rgba(238,67,40, 0);

  }

}

@keyframes keyframes-dot2 {

  0% {

    box-shadow: 0 0 0 0px rgba(238,67,40, 0.8);

  }

  100% {

    box-shadow: 0 0 0 20px rgba(238,67,40, 0);

  }

}

@keyframes keyframes-dot3 {

  0% {

    box-shadow: 0 0 0 0px rgba(238,67,40, 0.9);

  }

  100% {

    box-shadow: 0 0 0 10px rgba(238,67,40, 0);

  }

}

</style>

<body>

    <div class="dot-box">

        <div class="dot1">

              <div class="dot2">

                   <div class="dot3">扬州</div>

              </div>

        </div>

  </div>

</body>

</html>
巴特西

CSS3 水波纹

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