* {
  box-sizing: border-box;
}

body {
  margin: 50px auto;
  max-width: 650px;
  padding: 0 10px;
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 16px;
  color: #333;
  background: #fff;
  line-height: 1.4;
}

.page {
  margin: 15px auto;
  max-width: 42em;
}

.content {
  width: 100%;
}

.markdown-body h1 {
  margin: 0;
}

.markdown-body h2,
.markdown-body h3 {
  margin: 0 0 0.2em;
}

.markdown-body h1 + h2 {
  margin-top: 0.6em;
}

.markdown-body p,
.markdown-body li {
  line-height: 1.4;
}

.markdown-body p {
  margin: 1em 0;
}

.markdown-body ul {
  margin: 1em 0;
  padding-left: 20px;
}

.markdown-body li + li {
  margin-top: 0.7em;
}

.markdown-body a {
  color: #0864c7;
}

@media (max-width: 640px) {
  body {
    margin: 24px auto;
  }
}