.loading-button {
    position: relative;
  }
  
  .loading-button.loading:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 18%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }
  
  @keyframes spin {
    0% {
      transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
      transform: translate(-50%, -50%) rotate(360deg);
    }
  }