.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
  }
  
  .loading-spinner-bar {
    width: 4px;
    height: 18px;
    margin: 0 8px;
    border-radius: 4px;
    animation: loading-spinner 1s ease-in-out infinite;
  }
  
  @keyframes loading-spinner {
    0% {
      transform: scale(1);
    }
    20% {
      transform: scale(1, 2.5);
    }
    40% {
      transform: scale(1);
    }
  }