body {
  font-family: "proxima-nova","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing: antialiased;
  max-width: 860px;
  padding: 0 24px;
  margin: 20px auto;
  line-height: 30px;
}
h1 {
  color: #222;
  font-size: 38px;
  font-weight: 400;
  text-shadow: 1px 1px 0 #eee;
  text-align: center;
  margin-top: 50px;
}
h2 {
  color: #333;
  font-size: 30px;
  font-weight: 400;
}
img {
  max-width: 100%;
  text-align: center;
}
pre {
  background: #f3f4f5;
  border-left: 4px solid #e76f00;
  padding: 12px 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.6;
}
a { overflow-wrap: anywhere; }
@media (max-width: 600px) {
  body { padding: 0 16px; line-height: 1.6; }
  h1 { font-size: 28px; margin-top: 24px; text-align: left; }
  h2 { font-size: 23px; }
}