.spinner-container {
  width: 150px;
  height: 150px;
  position: relative;
  margin: 30px auto;
  overflow: hidden;
}

.spinner {
  position: absolute;
  width: calc(100% - 9.9px);
  height: calc(100% - 9.9px);
  border: 5px solid transparent;
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 5s cubic-bezier(0.17, 0.49, 0.96, 0.79) infinite;
}

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

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