* {
  font-family: 'Courier New', Courier, monospace;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.container {
  display: flex;
  justify-content: center;
}

.container > pre {
  width: 400px;
}

@media (max-width: 427px) and (orientation: portrait) {
  body {
    margin: 0;
  }

  .container {
    position: static;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}