#nav-button {
  display: block;
  position: fixed;
  left: 0;
  margin-top: 25px;
  border: 1px solid #CCC;
  border-radius: 0 6px 6px 0;
  background-color: #EEEEEE;
  padding: 10px 6px;
  width: 1em;
  height: 3em;
  color: #333333;
  font-weight: bold;
  font-size: 0.85em;
  word-wrap: break-word;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  box-sizing: content-box;
  transition: left 0.3s ease-in-out;
  z-index: 10; }

#nav-button:visited,
#nav-button:hover,
#nav-button:active {
  text-decoration: none; }

#nav-button.open {
  left: 240px; }

nav.sidebar {
  position: fixed;
  top: 70px;
  bottom: 0;
  left: -240px;
  width: 240px;
  color: #000000;
  overflow-y: auto;
  transition: left 0.3s ease-in-out;
  z-index: 10; }

nav.sidebar.open {
  left: 0; }

div.article-container {
  width: 100%; }
  div.article-container .license-notice {
    width: 100%; }

@media screen and (max-width: 500px) {
  body.homepage div.category-section {
    width: 100%; } }
@media (max-width: 600px) {
  .os-matrix p {
    display: block;
    border-left: none;
    padding-top: 0;
    padding-bottom: 0; } }