<div class="blobs">
  <div class="blob">4</div>
  <div class="blob">3</div>
  <div class="blob">2</div>
  <div class="blob">1</div>
</div>

<svg xmlns="http://www.w3.org/2000/svg" version="1.1">
  <defs>
    <filter id="goo">
      <feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
      <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 18 -7" result="goo" />
      <feBlend in="SourceGraphic" in2="goo" />
    </filter>
  </defs>
</svg>
.blobs {
	filter: url("#goo");
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	}

$dist-x: 65px;
$dist-y: 65px;

@keyframes blob-left-top-anim {
	0% {
		transform: scale(1.1) translate(0, 0);
		}
	33% {
		transform: scale(0.9) translate(-$dist-x, 0);
		}
	62% {
		transform: scale(0.7) translate(-$dist-x, -$dist-y);
		}
	94% {
		transform: scale(1.1) translate(0, 0);
		}
	}

@keyframes blob-right-top-anim {
	0% {
		transform: scale(1.1) translate(0, 0);
		}
	33% {
		transform: scale(0.9) translate($dist-x, 0);
		}
	64% {
		transform: scale(0.7) translate($dist-x, -$dist-y);
		}
	96% {
		transform: scale(1.1) translate(0, 0);
		}
	}

@keyframes blob-left-bottom-anim {
	0% {
		transform: scale(1.1) translate(0, 0);
		}
	33% {
		transform: scale(0.9) translate(-$dist-x, 0);
		}
	66% {
		transform: scale(0.7) translate(-$dist-x, $dist-y);
		}
	98% {
		transform: scale(1.1) translate(0, 0);
		}
	}

@keyframes blob-right-bottom-anim {
	0% {
		transform: scale(1.1) translate(0, 0);
		}
	33% {
		transform: scale(0.9) translate($dist-x, 0);
		}
	68% {
		transform: scale(0.7) translate($dist-x, $dist-y);
		}
	100% {
		transform: scale(1.1) translate(0, 0);
		}
	}

.blob {
	position: absolute;
	background: #e97b7a;
	left: 50%;
	top: 50%;
	width: 100px;
	height: 100px;
	line-height: 100px;
	text-align: center;
	color: white;
	font-size: 40px;
	border-radius: 100%;
	margin-top: -50px;
	margin-left: -50px;
	animation: blob-left-top-anim cubic-bezier(0.77, 0, 0.175, 1) 4s infinite;

	&:nth-child(2) {
		animation-name: blob-right-top-anim;
		}
	
	&:nth-child(3) {
		animation-name: blob-left-bottom-anim;
		}
	
	&:nth-child(4) {
		animation-name: blob-right-bottom-anim;
		}
	
	}
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