.loader {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .loader-inner {
    width: 50px;
    height: 50px;
    border: 5px solid #3498db;
    border-top: 5px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }

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