body {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 10px;
  line-height: 1.6;
}

#post-list ul {
  list-style: none;
  padding: 0;
}

#post-list li {
  margin: 8px 0;
}

#post-list .date {
  display: inline-block;
  width: 50px;
  margin-right: 12px;
}

#post-date {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #ddd;
}