html,
body {
  background: #fff;
  color: #111;
  font-size: 18px;
  font-family: Open Sans, OpenSans, sans;
  margin: 0;
  padding: 0;
}
body {
  display: block;
  max-width: 50em;
  margin: 0 auto;
  width: 90%;
}
body,
h1,
h2,
h3,
h4 {
  font-family: Open Sans, sans-serif;
  font-weight: 300;
}
h3,
p {
  color: #111;
}
#body {
  padding: 1em;
}
#body img {
  width: 100%;
}