body {
  padding: 6em; }

h4.section {
  width: 750px; }

.content {
  margin-left: 25px;
  width: 725px; }

.content p, .content h1, .content h2, .content h3, .content h4, .content h5, .content h6, .content code {
  width: 500px; }

.marginalia {
  float: right;
  width: 200px; }
  .marginalia p {
    width: 200px; }