:root {
  --pale-purple: #a6a2dc;
  --purple: #7473bd;
  --dark-purple: #7473bd;
  --pale-coral: #ffacac;
  --coral: #ff7979;
  --neon-purple: #9d8dff;
  --dark-neon-purple: #4a49cb;
  --navy: #2c3f6b;
}

body {
  display: flex;
  width: 100vw;
  height: 100vh;
  margin: 0;
  justify-content: center;
  align-items: center;
}

.circle {
  position: absolute;
  width: 20px;
  height: 20px;
  background: darkgrey;
  border-radius: 50%;
}

.circle-1 {
  background: var(--coral);
}
.circle-2 {
  background: var(--pale-purple);
}
.circle-3 {
  background: var(--purple);
}
.circle-4 {
  background: var(--dark-purple);
}

/* EDIT BELOW THIS LINE */

.circle {
  margin-top: 20px;
  transform-origin: 50% calc(-20px);
  animation-name: spin;
  animation-iteration-count: infinite;
  animation-duration: 1000ms;
  animation-timing-function: ease-in-out;
}

.circle-1 {
  animation-delay: 100ms;
}
.circle-2 {
  animation-delay: 250ms;
}
.circle-3 {
  animation-delay: 400ms;
}
.circle-4 {
  animation-delay: 550ms;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}