* {
    border: 0;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

body, input, textarea, button, a, select {
    font-family: "Arial", sans-serif;
    font-size: 1rem;
    color: #333333;
}

.imgQrcode {
    width: 600px;
    height: 600px;
    margin: 5rem auto;
    text-align: left;
}
.imgQrcode img {
    margin-bottom: 1rem;
}