diffux/diffux

.loading-indicator {
  border: 1px solid rgba(0, 0, 0, .03);
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .4);
  font-size: 12px;
  left: 50%;
  padding: .25em .75em;
  position: fixed;
  top: 10px;
  transform: translateX(-50%);
}