body {
  font-family: sans-serif;
  background-color: #ffffff;
}

.center {
  display: block;
  margin: 0 auto;
}

.qr {
  max-width: 50%;
  max-height: 40vh;
  margin-top: 20px;
}

.button {
  background-color: #007aff;
  color: #ffffff;
  position: relative;
  font-size: 18px;
  border-radius: 50px;
  cursor: pointer;
  margin: 20px auto;
  padding: 12px 20px;
  max-width: 200px;
}

.input {
  display: block;
  font-size: x-large;
  min-width: -webkit-fill-available;
  min-width: -moz-available;
  max-width: 50%;
  font-family: sans-serif;
  margin-bottom: 8px;
  border-color: black;
  border-width: thin;
}

.form-wrapper {
  margin: 0 auto;
  min-width: 100px;
  max-width: 300px;
}

.message {
  display: flex;
  justify-content: space-between;
}