SOURCE

<div class="container">
  <div class="dot dot-1"></div>
  <div class="dot dot-2"></div>
  <div class="dot dot-3"></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 21 -7"/>
    </filter>
  </defs>
</svg>

body, html {
  width: 100%;
  height: 100%;
  background-color: #f8f4d5;
}

.container {
  width: 200px;
  height: 200px;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  filter: url('#goo');
  animation: rotate-move 2s ease-in-out infinite;
}

.dot { 
  width: 70px;
  height: 70px;
  border-radius: 80%;
  background-color: #000;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}

.dot-3 {
  background-color: #f74d75;
  animation: dot-3-move 2s ease infinite;
}

.dot-2 {
  background-color: #10beae;
  animation: dot-2-move 2s ease infinite;
}

.dot-1 {
  background-color: #ffe386;
  animation: dot-1-move 2s ease infinite;
}

@keyframes dot-3-move {
  20% {transform: scale(1)}
  45% {transform: translateY(-18px) scale(.45)}
  60% {transform: translateY(-40px) scale(.45)}
  80% {transform: translateY(-40px) scale(.45)}
  100% {transform: translateY(0px) scale(1)}
}

@keyframes dot-2-move {
  20% {transform: scale(1)}
  45% {transform: translate(-16px, 12px) scale(.45)}
  60% {transform: translate(-40px, 40px) scale(.45)}
  80% {transform: translate(-40px, 40px) scale(.45)}
  100% {transform: translateY(0px) scale(1)}
}

@keyframes dot-1-move {
  20% {transform: scale(1)}
  45% {transform: translate(16px, 12px) scale(.45)}
  60% {transform: translate(40px, 40px) scale(.45)}
  80% {transform: translate(40px, 40px) scale(.45)}
  100% {transform: translateY(0px) scale(1)}
}

@keyframes rotate-move {
  55% {transform: rotate(0deg)}
  80% {transform: rotate(360deg)}
  100% {transform: rotate(360deg)}
}