@keyframes ball-scale {
  0% {
    transform: scale(0); }
  100% {
    transform: scale(1);
    opacity: 0; } }

.ball-scale > div {
  background-color: #6b6f82;
  width: 15px;
  height: 15px;
  border-radius: 100%;
  margin: 2px;
  animation-fill-mode: both;
  display: inline-block;
  height: 60px;
  width: 60px;
  animation: ball-scale 1s 0s ease-in-out infinite; }

.ball-scale-random {
  width: 37px;
  height: 40px; }
  .ball-scale-random > div {
    background-color: #6b6f82;
    width: 15px;
    height: 15px;
    border-radius: 100%;
    margin: 2px;
    animation-fill-mode: both;
    position: absolute;
    display: inline-block;
    height: 30px;
    width: 30px;
    animation: ball-scale 1s 0s ease-in-out infinite; }
    .ball-scale-random > div:nth-child(1) {
      margin-left: -7px;
      animation: ball-scale 1s 0.2s ease-in-out infinite; }
    .ball-scale-random > div:nth-child(3) {
      margin-left: -2px;
      margin-top: 9px;
      animation: ball-scale 1s 0.5s ease-in-out infinite; }
