body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;;
    align-items: center;
    height: 100vh;
    margin: 0;

    display: flex;
    flex-direction: column;

}

.container {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,00.1);
    text-align: center;
    width: 320px;

    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    margin-bottom: 1rem;
}

input {
    padding: 0.7rem;
    width: 100%;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
}

button {
    padding: 0.7rem 1.5rem;
    font-size: 1rem;
    background-color: #0078d4;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ;
}

button:hover {
    background-color: #005fa3;
}

#qrCodeBox {
    margin-top: 1rem;
}

#qrCodeImage {
    max-width: 100%;
    margin-top: 1rem;
}

footer {
    margin-top: 2rem;
    font-weight: bold;
    text-shadow: 0 3px 19px
}

footer a {
    text-decoration: none;
    color: black;
}


@media (width < 750px){
    .container{
        width: 250px;
    }
}