@import url(https://fonts.googleapis.com/css?family=Open+Sans:700,300);
.frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  margin-top: -200px;
  margin-left: -200px;
  border-radius: 2px;
  box-shadow: 4px 8px 16px 0 rgba(0, 0, 0, 0.1);
  overflow: hidden;
  background: #E56262;
  color: #333;
  font-family: "Open Sans", Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.frame .center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.frame .center .outer {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: expand-outer 4.5s ease-out infinite;
}
.frame .center .outer .middle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: expand-middle 4.5s ease-out infinite;
}
.frame .center .outer .middle .inner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.4);
  animation: expand-inner 4.5s ease-out infinite;
}
@keyframes expand-outer {
  0% {
    transform: scale(0);
  }
  15% {
    transform: scale(1);
  }
  30% {
    transform: scale(1);
  }
  45% {
    transform: scale(1);
  }
  60% {
    transform: scale(1);
  }
  70% {
    transform: scale(1);
  }
  75% {
    transform: scale(1);
  }
  100% {
    transform: scale(0);
  }
}
@keyframes expand-middle {
  0% {
    transform: scale(0);
  }
  15% {
    transform: scale(0);
  }
  30% {
    transform: scale(1);
  }
  45% {
    transform: scale(1);
  }
  60% {
    transform: scale(1);
  }
  65% {
    transform: scale(1);
  }
  85% {
    transform: scale(0);
  }
  100% {
    transform: scale(0);
  }
}
@keyframes expand-inner {
  0% {
    transform: scale(0);
  }
  15% {
    transform: scale(0);
  }
  30% {
    transform: scale(0);
  }
  45% {
    transform: scale(1);
  }
  60% {
    transform: scale(1);
  }
  70% {
    transform: scale(0);
  }
  85% {
    transform: scale(0);
  }
  100% {
    transform: scale(0);
  }
}

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