styles.css

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
}
h1 {
    margin-bottom: 20px;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
input {
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
    max-width: 300px;
}
button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #28a745;
    color: white;
    font-size: 16px;
    cursor: pointer;
}
button:hover {
    background-color: #218838;
}
#qrcode {
    margin-top: 20px;            
}

footer {
    margin-top: 20px;
    padding: 1em 0;
    text-align: center;
    text-decoration: none;
    color: #000;
    font-style: italic;
    background-color: #f0f0f0;
    width: 100%;
    box-shadow: none;
}