.spinner-container {
  width: 100vw;
  height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
}

.spinner {
  width: 50px;
  height: 50px;
  background-color: transparent;
  display: inline-block;
  box-sizing: border-box;
  animation: rotation 1s linear infinite;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}