@appearhere/bloom/components/Loader/Loader.css

Appear Here's pattern library and styleguide

.spinner {
  width: 1em;
  display: inline;
  vertical-align: top;
  width: 1em;
  height: 1em;
  line-height: inherit;
  stroke: inherit;
  fill: inherit;
  vertical-align: middle;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transform: translate3d(0,0,0);
}

.circle {
  width: 0.3em;
  height: 0.3em;
  background-color: currentColor;
  border-radius: 100%;
  display: inline-block;
  animation: bouncedelay 1.4s infinite ease-in-out both;
  will-change: transform;
  backface-visibility: hidden;
  stroke: transparent;
  fill: currentColor;
  stroke-linecap: round;
  transform-origin: center center;
}

.circle:nth-child(1) {
  animation-delay: -0.32s;
}

.circle:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bouncedelay {
  0%, 80%, 100% {
    -webkit-transform: scale(0);
    transform: scale(0);
  } 40% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
  }
}