body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
  }

  .barcode {
    max-width: 30%; 
    height: auto;   
    display: block; 
    margin: 0 auto; 
    margin-bottom: 10px; 
  }
  
  .container {
    text-align: center;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
  }

  #customMenu {
            display: none;
            position: absolute;
            background-color: #ffffff;
            border: 1px solid #ccc;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            padding: 10px;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            font-size: 16px;
            color: #333;
            border-radius: 5px;
        }

        #customMenu a,
        #customMenu p {
            text-decoration: none;
            color: #007BFF;
            display: block;
            padding: 10px 15px;
            transition: background-color 0.3s;
            cursor: pointer;
        }

        #customMenu a:hover,
        #customMenu p:hover {
            background-color: #f2f2f2;
        }
  
  h1 {
    margin-bottom: 10px;
  }
  
  input {
    padding: 8px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  button {
    padding: 8px 15px;
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  #barcode {
    margin-top: 20px;
  }
  footer {
  background-color: #007bff;
  color: #fff;
  text-align: center;
  padding: 10px 0;
  position: fixed;
  bottom: 0;
  height: 3%;
  width: 100%;
  display: flex;
  align-items: center;
}

footer h3 {
  margin-left: 20px;
  font-size: 20px;
}

footer h3 em {
  font-style: italic; 
  font-size: 18px;
}
@media (max-width: 768px) {

  #customMenu {
                display: none !important;
            }
}