.loader {
  font-size: 30px;
  margin: 25px auto;
  text-align: center;
}

  .loader .spinner {
    margin: 50px auto 0;
    border: 16px solid #f3f3f3;
    border-top: 16px solid #7636ff;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
  }

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

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