body {
    margin-bottom: 10rem;
    font-family: 'Segoe UI';
    display: flex;
    margin-left: 2rem;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: auto;
}

/* loader */
.loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #383838; /* Blue */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
/* end of loader */