<div>
  <h1>Ripple</h1>
  <span class="ripple"></span>
</div>
@import url(https://fonts.googleapis.com/css?family=Norican);
html, body {margin:0;background:#45c2c5;}

div {
  display:block;
  position:absolute;
  top:50%;
  left:50%;
  margin:-20px 0 0 -20px;
  width:40px;
  line-height:40px;
}
h1 {
  font-size:50px;
  font-family: 'Norican', cursive;
  color:white;
  text-shadow:0 2px 0 #8ed2d4,2px 3px 15px rgba(0,0,0,0.5);
}
.ripple,.ripple:before,.ripple:after {
  display:block;
  border-radius:2px;
  width:2px;
  height:2px;
  -webkit-animation:rip 6s infinite ease-out;
  -moz-animation:rip 6s infinite ease-out;
}
.ripple {
  position:absolute;
  z-index:-1;
  top:40px;
  left:15px;
}
.ripple:before,.ripple:after {
  content:'';
  position:absolute;
}
.ripple:before {-webkit-animation-delay:.2s;-moz-animation-delay:.2s;top:5px;left:25px;}
.ripple:after {-webkit-animation-delay:.8s;-moz-animation-delay:.8s;top:25px;left:0;}
@-webkit-keyframes rip 
{
  0%  {
    box-shadow:0 0 0 0 transparent,
               0 0 0 0 transparent,
               0 0 0 0 transparent,
               0 0 0 0 transparent;
  }
  15%  {
    box-shadow:0 0 0 0 #45c2c5,
               0 0 0 0 rgba(255,255,255,0.4),
               0 0 0 0 #45c2c5,
               0 0 0 0 rgba(0,0,0,0.08);
  }
  100% {
    box-shadow:0 0 40px 200px #45c2c5,
               0 0 10px 210px transparent,
               0 0 30px 220px #45c2c5,
               0 0 5px 230px transparent;
  }
}
@-moz-keyframes rip 
{
  0%  {
    box-shadow:0 0 0 0 transparent,
               0 0 0 0 transparent,
               0 0 0 0 transparent,
               0 0 0 0 transparent;
  }
  15%  {
    box-shadow:0 0 0 0 #45c2c5,
               0 0 0 0 rgba(255,255,255,0.4),
               0 0 0 0 #45c2c5,
               0 0 0 0 rgba(0,0,0,0.08);
  }
  100% {
    box-shadow:0 0 40px 200px #45c2c5,
               0 0 10px 210px transparent,
               0 0 30px 220px #45c2c5,
               0 0 5px 230px transparent;
  }
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. //cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js