body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background-color: hsl(212, 45%, 89%);
  }

  .QR_Box {
    background-color: white;
    border-radius: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 400px;
    text-align: center;
    padding: 20px;
  }

  .QR_Box img {
    width: 100%;
    max-width: 250px;
    border-radius: 10px;
  }

  .QR_Box h1 {
    font-size: 15px;
    margin: 20px 0 10px;
    color: hsl(218, 44%, 22%);
  }

  .QR_Box p {
    font-size: 1rem;
    color: hsl(216, 15%, 48%);
    line-height: 1.5;
  }

  @media (min-width: 768px) {
    .QR_Box {
      padding: 30px;
    }

    .QR_Box h1 {
      font-size: 1.75rem;
    }

    .QR_Box p {
      font-size: 15px;
    }
  }
.attribution {
     font-size: 15px;
     text-align: center;
     }
.attribution a { color: hsl(228, 45%, 44%); }