body {
  font-family: Arial, sans-serif;
  background-color: #f8f9fa;
}

h1 {
  font-size: 30px;
  color: #4a4a4a;
}

#qr-reader {
  width: 100%;
  height: 400px;
  border: 1px solid #ced4da;
  background-color: #fff;
}

#scanned-output {
  font-size: 1.25rem;
  font-weight: bold;
  color: #28a745;
  word-wrap: break-word;
  white-space: pre-wrap;
}
   
  .scan-animation {
    position: absolute;
    border: 2px dashed rgba(255, 0, 0, 0.8);
    width: 90%;
    height: 30%;
    top: 0;
    left: 5%;
    animation: scanning 2s linear infinite;
  }

  @keyframes scanning {
    0% {
      top: 0;
    }
    100% {
      top: 100%;
    }
  }
  
  .question {
    font-weight: bold;
    cursor: pointer;
    width: 60%;
    margin: 0 auto;
    padding: 10px;
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    margin-bottom: 10px;
    box-shadow: 2px 2px 2px #ccc;
  }

  .answer {
    display: none;
    width: 60%;
    margin: 0 auto;
    padding: 10px;
    background-color: #ffffff;
    border: 1px solid #f8f8f8;
    box-shadow: 2px 2px 2px #dfdede;
  }

  @media (max-width: 768px) {
    .question {
      width: 90%;
    }

    .answer {
      display: none;
      width: 90%;
    }
  }

  @media (min-width: 768px) {
    #qrcode {
      font-size: 2vw;
    }
  }

  @media screen and (min-width: 1600px) {
    .container2 {
      padding: 100%;
    }
  }