body, h1, h2, h3, h4, h5, h6,
p, blockquote, pre, hr,
dl, dd, ol, ul, figure {
  margin: 0;
  padding: 0;
}
*,
*::before,
*::after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
  width: 58mm;
}

h1 {
  padding-top: 10mm;
  font-weight: 400;
  font-size: 5mm;
  text-align: center;
}

span {
  display: block;
  font-size: 4mm;
  margin-left: 1mm;
  margin-right: 1mm;
}

#container {
	width: 190px;
	margin-left: auto;
	margin-right: auto;
}

.code-text {
    text-align: center;
}