/*body {
      font-family: sans-serif;
      padding: 2rem;
    }*/

    .spinner {
      width: 16px;
      height: 16px;
      border: 2px solid white;
      border-top: 2px solid transparent;
      border-radius: 50%;
      display: inline-block;
      animation: spin 0.6s linear infinite;
      margin-left: 8px;
      vertical-align: middle;
    }

    @keyframes spin {
      to {
        transform: rotate(360deg);
      }
    }

    .hidden {
      display: none;
    }

    #loginBtn {
      padding: 0.5rem 1rem;
      background-color: #3c8dbc;
      border-color: #367fa9;
      color: white;
      border: none;
      cursor: pointer;
      font-size: 1rem;
      display: inline-flex;
      text-align : center;
      align-items: center;
    }

    #loginBtn:disabled {
      background-color: #999;
      cursor: not-allowed;
    }