body {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
nav {
  margin-bottom: 0 !important;
}
.container {
  width: 760px;
}
.page-header {
  margin-top: 0;
}
#middle {
  padding-top: 30px;
  padding-bottom: 40px;
  flex: 1;
}
#middle.home {
  background: #eee;
  padding-top: 150px;
  padding-bottom: 100px;
}
#middle.home h1 {
  font-size: 80px;
}
#middle.home .lead {
  font-size: 30px;
  margin-bottom: 80px;
}
#middle.home .authors {
  margin-left: 20px;
  display: inline-block;
}
#summary .mainnav {
  background: #fafafa;
  padding: 10px 0;
}
#summary a {
  padding: 5px 20px;
}
#summary .subnav {
  margin-bottom: 5px;
}
#summary .level-3 {
  padding-top: 3px;
  padding-bottom: 3px;
  padding-left: 30px;
}
#content img {
  max-width: 100%;
  display: block;
  margin: auto;
}
article {
  font-size: 16px;
}
article h2 {
  text-align: center;
  text-transform: uppercase;
  margin: 30px 0;
  line-height: 1.4em;
  font-weight: bold;
  background: #eee;
}
article h3 {
  font-weight: bold;
}
footer {
  color: #999;
  background: #fafafa;
  text-align: center;
  padding: 20px 0;
}