src/animations/ball-rotate.scss

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@import '../variables';
@import '../mixins';

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
 }
}

.ball-rotate {
  position: relative;

  > div {
    @include balls();
    @include global-animation();

    position: relative;

    &:first-child {
      animation: rotate 1s 0s cubic-bezier(.7,-.13,.22,.86) infinite;
    }

    &:before, &:after {
      @include balls();

      content: "";
      position: absolute;
      opacity: 0.8;
    }

    &:before {
      top: 0px;
      left: -28px;
    }

    &:after {
      top: 0px;
      left: 25px;
    }
  }
}