.spinner {
  --size: 30px;
  --first: #005bba;
  --second: #fed500;
  width: 50px;
  height: 50px;
  position: relative;
  animation: spin 2s linear infinite;
}

.spinner::before,
.spinner::after {
  content: "";
  width: var(--size);
  height: var(--size);
  background: var(--first);
  border-radius: 100%;
  position: absolute;
  top: 10%;
  transform: translateY(-50%);
  animation: bounce 1s ease-in-out alternate infinite;
}

.spinner::after {
  background: var(--second);

  animation: bounce 1s 0.5s ease-in-out alternate infinite;
}

@keyframes bounce {
  50% {
    transform: translateX(-50%);
  }
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}