body {
  margin-left: auto;
  margin-right: auto;
  max-width: 900px;
  padding-left: 1em;
  padding-right: 1em;
  padding-bottom: 2em;
}

/* header and footer areas */
.menu { padding: 0; }
.menu li { display: inline-block; }
.article-meta, .menu a {
  text-decoration: none;
  // background: #eee;
  padding: 5px;
  border-radius: 5px;
}
.menu, .article-meta, footer { }
.title { font-size: 1.1em; }
footer a { text-decoration: none; }
hr {
  border-style: dashed;
  color: #ddd;
}

p {
  font-size: large;
}

h2 {
  font-size: xx-large;
}
h3 {
  font-size: x-large;
}

/* code */
pre {
  border: 1px solid #ddd;
  box-shadow: 5px 5px 5px #eee;
  padding: 1em;
  overflow-x: auto;
}
code { background: #f9f9f9; }
pre code {
  background: none;
  line-height: 0;
}

/* misc elements */
img, iframe, video { max-width: 100%; }
main { hyphens: auto; }
blockquote {
  background: #f9f9f9;
  border-left: 5px solid #ccc;
  padding: 3px 1em 3px;
}

table {
  margin: auto;
  border-top: 1px solid #666;
  border-bottom: 1px solid #666;
}
table thead th { border-bottom: 1px solid #ddd; }
th, td { padding: 5px; }
thead, tfoot, tr:nth-child(even) { background: #eee }

/* hide header links until hover */

.header-link {
  opacity: 0;
}
.header-link:hover {
  opacity: 1;
}