graphiql/src/css/loading.css

An graphical interactive in-browser GraphQL IDE.

.graphiql-container .spinner-container {
  height: 36px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  z-index: 10;
}

.graphiql-container .spinner {
  animation: rotation 0.6s infinite linear;
  border-bottom: 6px solid rgba(150, 150, 150, 0.15);
  border-left: 6px solid rgba(150, 150, 150, 0.15);
  border-radius: 100%;
  border-right: 6px solid rgba(150, 150, 150, 0.15);
  border-top: 6px solid rgba(150, 150, 150, 0.8);
  display: inline-block;
  height: 24px;
  position: absolute;
  vertical-align: middle;
  width: 24px;
}

@keyframes rotation {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(359deg);
  }
}