css水波动画效果

代码来源：http://www.jq22.com/code1526

HTML：

<div class="waves">
</div>

css：

html,

body {

  width: 100%;

  height: 100%;

}

body {

  background: #0A212E;

  margin: 0px;

  overflow: hidden;

}

.waves {

  position: relative;

  top: 50%;

  left: 50%;

  width: 50px;

  height: 50px;

  margin-left: -25px;

  margin-top: -25px;

  border-radius: 50%;

  -webkit-backface-visibility: hidden;

}

.wave, .waves:before, .waves:after {

  position: absolute;

  background: white;

  margin-left: -12px;

  margin-top: -12px;

  width: 50px;

  height: 50px;

  content: "";

  display: block;

  border-radius: 50%;

  -webkit-backface-visibility: hidden;

}

.waves:before {

  animation: wave-animate 3s infinite ease-out;

}

.waves:after {

  opacity:;

  animation: wave-animate 3s 1.5s infinite ease-out;

}

@keyframes wave-animate {

  0% {

    transform: scale(0);

    opacity:;

    transform-origin: center;

  }

  100% {

    transform: scale(3);

    opacity:;

    transform-origin: center;

  }

}

效果：