body {
  text-align: center;
  font-family: sans-serif;
  background: #f0f0f0;
  padding: 2em;
}

.logo {
  width: 180px;
  margin-bottom: 2em;
}

pre {
  text-align: left;
  display: inline-block;
  background: #fff;
  padding: 1em;
  border-radius: 5px;
  box-shadow: 0 0 4px rgba(0,0,0,0.1);
}