@charset "UTF-8";
/* normalize.css v2.1.1 | MIT License | git.io/normalize */
/* ==========================================================================
   HTML5 display definitions
   ========================================================================== */
/**
 * Correct `block` display not defined in IE 8/9.
 */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
  display: block; }

/**
 * Correct `inline-block` display not defined in IE 8/9.
 */
audio,
canvas,
video {
  display: inline-block; }

/**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */
audio:not([controls]) {
  display: none;
  height: 0; }

/**
 * Address styling not present in IE 8/9.
 */
[hidden] {
  display: none; }

/* ==========================================================================
   Base
   ========================================================================== */
/**
 * 1. Prevent system color scheme's background color being used in Firefox, IE,
 *    and Opera.
 * 2. Prevent system color scheme's text color being used in Firefox, IE, and
 *    Opera.
 * 3. Set default font family to sans-serif.
 * 4. Prevent iOS text size adjust after orientation change, without disabling
 *    user zoom.
 */
html {
  background: #fff;
  /* 1 */
  color: #000;
  /* 2 */
  font-family: sans-serif;
  /* 3 */
  -ms-text-size-adjust: 100%;
  /* 4 */
  -webkit-text-size-adjust: 100%;
  /* 4 */ }

/**
 * Remove default margin.
 */
body {
  margin: 0; }

/* ==========================================================================
   Links
   ========================================================================== */
/**
 * Address `outline` inconsistency between Chrome and other browsers.
 */
a:focus {
  outline: thin dotted; }

/**
 * Improve readability when focused and also mouse hovered in all browsers.
 */
a:active,
a:hover {
  outline: 0; }

/* ==========================================================================
   Typography
   ========================================================================== */
/**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari 5, and Chrome.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0; }

/**
 * Address styling not present in IE 8/9, Safari 5, and Chrome.
 */
abbr[title] {
  border-bottom: 1px dotted; }

/**
 * Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
 */
b,
strong {
  font-weight: bold; }

/**
 * Address styling not present in Safari 5 and Chrome.
 */
dfn {
  font-style: italic; }

/**
 * Address differences between Firefox and other browsers.
 */
hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0; }

/**
 * Address styling not present in IE 8/9.
 */
mark {
  background: #ff0;
  color: #000; }

/**
 * Correct font family set oddly in Safari 5 and Chrome.
 */
code,
kbd,
pre,
samp {
  font-family: monospace, serif;
  font-size: 1em; }

/**
 * Improve readability of pre-formatted text in all browsers.
 */
pre {
  white-space: pre-wrap; }

/**
 * Set consistent quote types.
 */
q {
  quotes: "\201C" "\201D" "\2018" "\2019"; }

/**
 * Address inconsistent and variable font size in all browsers.
 */
small {
  font-size: 80%; }

/**
 * Prevent `sub` and `sup` affecting `line-height` in all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline; }

sup {
  top: -0.5em; }

sub {
  bottom: -0.25em; }

/* ==========================================================================
   Embedded content
   ========================================================================== */
/**
 * Remove border when inside `a` element in IE 8/9.
 */
img {
  border: 0; }

/**
 * Correct overflow displayed oddly in IE 9.
 */
svg:not(:root) {
  overflow: hidden; }

/* ==========================================================================
   Figures
   ========================================================================== */
/**
 * Address margin not present in IE 8/9 and Safari 5.
 */
figure {
  margin: 0; }

/* ==========================================================================
   Forms
   ========================================================================== */
/**
 * Define consistent border, margin, and padding.
 */
fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em; }

/**
 * 1. Correct `color` not being inherited in IE 8/9.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */
legend {
  border: 0;
  /* 1 */
  padding: 0;
  /* 2 */ }

/**
 * 1. Correct font family not being inherited in all browsers.
 * 2. Correct font size not being inherited in all browsers.
 * 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome.
 */
button,
input,
select,
textarea {
  font-family: inherit;
  /* 1 */
  font-size: 100%;
  /* 2 */
  margin: 0;
  /* 3 */ }

/**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */
button,
input {
  line-height: normal; }

/**
 * Address inconsistent `text-transform` inheritance for `button` and `select`.
 * All other form control elements do not inherit `text-transform` values.
 * Correct `button` style inheritance in Chrome, Safari 5+, and IE 8+.
 * Correct `select` style inheritance in Firefox 4+ and Opera.
 */
button,
select {
  text-transform: none; }

/**
 * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
 *    and `video` controls.
 * 2. Correct inability to style clickable `input` types in iOS.
 * 3. Improve usability and consistency of cursor style between image-type
 *    `input` and others.
 */
button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  /* 2 */
  cursor: pointer;
  /* 3 */ }

/**
 * Re-set default cursor for disabled elements.
 */
button[disabled],
html input[disabled] {
  cursor: default; }

/**
 * 1. Address box sizing set to `content-box` in IE 8/9.
 * 2. Remove excess padding in IE 8/9.
 */
input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */ }

/**
 * 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome.
 * 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome
 *    (include `-moz` to future-proof).
 */
input[type="search"] {
  -webkit-appearance: textfield;
  /* 1 */
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box;
  /* 2 */
  box-sizing: content-box; }

/**
 * Remove inner padding and search cancel button in Safari 5 and Chrome
 * on OS X.
 */
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none; }

/**
 * Remove inner padding and border in Firefox 4+.
 */
button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0; }

/**
 * 1. Remove default vertical scrollbar in IE 8/9.
 * 2. Improve readability and alignment in all browsers.
 */
textarea {
  overflow: auto;
  /* 1 */
  vertical-align: top;
  /* 2 */ }

/* ==========================================================================
   Tables
   ========================================================================== */
/**
 * Remove most spacing between table cells.
 */
table {
  border-collapse: collapse;
  border-spacing: 0; }

/**
 * Twilight theme
 *
 * Adapted from Michael Sheets' TextMate theme of the same name
 *
 * @author Michael Sheets
 * @author Jesse Farmer <jesse@20bits.com>
 * @version 1.0.1
 */
pre {
  background: #141414;
  word-wrap: break-word;
  margin: 0px;
  padding: 10px;
  color: #F8F8F8;
  font-size: 14px;
  margin-bottom: 20px; }

pre, code {
  font-family: 'Monaco', courier, monospace; }

pre .comment {
  color: #5F5A60; }

pre .constant.numeric {
  color: #D87D50; }

pre .constant {
  color: #889AB4; }

pre .constant.symbol, pre .constant.language {
  color: #D87D50; }

pre .storage {
  color: #F9EE98; }

pre .string {
  color: #8F9D6A; }

pre .string.regexp {
  color: #E9C062; }

pre .keyword, pre .selector, pre .storage {
  color: #CDA869; }

pre .inherited-class {
  color: #9B5C2E; }

pre .entity {
  color: #FF6400; }

pre .support {
  color: #9B859D; }

pre .support.magic {
  color: #DAD69A; }

pre .variable {
  color: #7587A6; }

pre .function, pre .entity.class {
  color: #9B703F; }

pre .support.class-name, pre .support.type {
  color: #AB99AC; }

@media screen and (max-device-width: 480px) {
  html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%; } }
*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  -o-box-sizing: border-box;
  box-sizing: border-box; }

ul {
  padding: 0; }

li {
  list-style-type: none; }

body {
  overflow-x: hidden;
  font: 400 100%/1.65 "jaf-bernina-sans-1", "jaf-bernina-sans-2", "Helvetica Neue", Helvetica, sans-serif;
  text-rendering: optimizeLegibility; }

img {
  max-width: 100%; }

a {
  -webkit-transition: color 0.15s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -moz-transition: color 0.15s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -ms-transition: color 0.15s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -o-transition: color 0.15s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  transition: color 0.15s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  text-decoration: none; }
  a img {
    vertical-align: top; }

p > code {
  white-space: nowrap; }

.wf-loading .webfont {
  visibility: hidden; }

h1, h2 {
  text-align: center; }

h2, h4 {
  font-family: "lexia-1", "lexia-2", "Helvetica Neue", Helvetica, sans-serif;
  font-weight: 300; }

h1 {
  font-size: 1.5em;
  line-height: 1em;
  font-weight: 600; }

h2 {
  -webkit-transition: font-size 0.25s ease;
  -moz-transition: font-size 0.25s ease;
  -ms-transition: font-size 0.25s ease;
  -o-transition: font-size 0.25s ease;
  transition: font-size 0.25s ease;
  margin: 1em 0;
  font-size: 2em;
  line-height: 1.25em;
  letter-spacing: -1px; }

h3 {
  font-size: 1.25em;
  font-weight: 600; }

h4 {
  font-size: 1.25em; }

.main-header {
  z-index: 1;
  position: relative;
  overflow: hidden;
  padding: 2rem 0;
  height: 6.25rem; }
  .main-header:before {
    -webkit-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -moz-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -ms-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -o-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -webkit-opacity: 0.5;
    -moz-opacity: 0.5;
    -ms-opacity: 0.5;
    -o-opacity: 0.5;
    opacity: 0.5;
    cursor: pointer;
    position: absolute;
    left: 50%;
    bottom: 0;
    margin-left: -0.5em;
    font-size: 0.875rem; }
  .main-header:not(.is-touching) {
    -webkit-transition: height 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -moz-transition: height 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -ms-transition: height 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -o-transition: height 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition: height 0.35s cubic-bezier(0.215, 0.61, 0.355, 1); }
  .main-header.is-expanded {
    height: 16.25em; }
    .main-header.is-expanded:before {
      -webkit-transform: rotate(180deg);
      -moz-transform: rotate(180deg);
      -ms-transform: rotate(180deg);
      -o-transform: rotate(180deg);
      transform: rotate(180deg);
      bottom: 0.25em; }
  .main-header > .wrapper {
    max-width: 46.875rem;
    margin: 0 auto; }

.main-title {
  -webkit-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -ms-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: all 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  position: relative;
  opacity: 1;
  cursor: pointer;
  margin: 0.25em 0; }

.main-nav {
  -webkit-transition: left 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: left 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -ms-transition: left 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: left 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: left 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  margin: 0 auto;
  width: 19em; }

.main-nav-list {
  -webkit-transition: right 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: right 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -ms-transition: right 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: right 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: right 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  float: left;
  margin: 1.75em 0 0; }
  .main-nav-list > li {
    -webkit-transition: opacity 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -moz-transition: opacity 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -ms-transition: opacity 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    -o-transition: opacity 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition: opacity 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
    width: 7.5em;
    margin: 0 1em; }
    .main-nav-list > li.is-selected > a {
      font-style: italic;
      text-decoration: line-through; }
    .main-nav-list > li.is-disabled {
      -webkit-opacity: 0.35;
      -moz-opacity: 0.35;
      -ms-opacity: 0.35;
      -o-opacity: 0.35;
      opacity: 0.35;
      font-style: italic; }

.main-content {
  -webkit-transition: top 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -moz-transition: top 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -ms-transition: top 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  -o-transition: top 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: top 0.35s cubic-bezier(0.215, 0.61, 0.355, 1);
  overflow-x: hidden;
  min-height: 50vh;
  top: 10.375rem;
  margin: 1rem 0 2rem;
  padding: 0 1rem; }
  .main-content > .wrapper {
    max-width: 46.875rem;
    margin: 0 auto; }

.main-footer {
  padding: 2em 0;
  font-size: 0.75em;
  text-align: center; }

.pagination {
  -webkit-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -moz-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -ms-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -o-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  position: fixed;
  top: 50%;
  font-size: 2em;
  opacity: 0; }
  .pagination > .icon {
    position: relative;
    top: -0.5em; }
  .pagination.next {
    left: 1rem; }
  .pagination.previous {
    right: 1rem; }
  @media only screen and (min-width: 56em) {
    .pagination {
      opacity: 1; } }

.content-header {
  margin-bottom: 1em; }

.content-title {
  margin-bottom: 0; }

.content-subheader,
.listing-footer {
  font-size: 0.9375rem;
  font-weight: normal;
  text-align: center; }

.nav-icon {
  -webkit-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -moz-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -ms-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -o-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  position: relative;
  top: 3px;
  opacity: 0; }
  @media only screen and (max-width: 56em) {
    .nav-icon {
      opacity: 1; } }

.content-date {
  margin: 0 0.5em; }

.content-body p {
  position: relative;
  margin: 0 0 1em;
  font-size: 0.9375rem;
  line-height: 1.5em; }
  .content-body p:first-child {
    margin-top: 2rem; }
    .content-body p:first-child img, .content-body p:first-child .video-outer {
      margin-top: 0; }
.content-body img, .content-body .video-outer {
  margin: 0 0 1em; }
.content-body .video-wrapper {
  margin-bottom: 1em; }
.content-body pre {
  margin: 2em 0; }
.content-body h3 {
  margin-top: 2em;
  margin-bottom: 0.25em; }
.content-body h3 + p > img {
  margin-top: 1em; }
.content-body h3 + pre {
  margin-top: 2.5em; }
.content-body a {
  text-decoration: none; }
.content-body ul {
  margin-top: 0;
  margin-bottom: 1em; }
.content-body strong > img {
  margin-left: -20%;
  max-width: 140%; }
.content-body blockquote {
  margin: 2em 1em;
  padding-left: 1em;
  border-left: solid 5px;
  font-style: italic; }
  .content-body blockquote p:first-child {
    margin-top: 1em; }
.content-body iframe {
  margin-bottom: 1em; }
.content-body .note {
  padding: 1em;
  background-color: #EEE;
  font-size: 0.825em; }
.content-body .more {
  border-bottom: none; }
.content-body .left {
  margin-left: auto;
  margin-right: auto; }

.project ul {
  text-align: center; }
  .project ul li {
    display: inline-block;
    margin-right: 2em; }
    .project ul li:last-child {
      margin-right: 0; }

.more:after {
  -webkit-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -moz-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -ms-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  -o-transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  transition: opacity 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
  content: " →";
  opacity: 0; }
.more:hover:after {
  opacity: 1; }

.content-footer {
  border-top: solid 2px #DDD;
  padding: 2em 0 0;
  margin: 2em 0 0;
  text-align: center; }

.article-footer {
  margin-top: 2em;
  text-align: center; }
  .article-footer p {
    font-style: italic; }
  .article-footer p + .tweet-button {
    margin-top: 2em; }

.article-listing {
  border-bottom: solid 2px #DDD;
  padding-bottom: 2em;
  margin-bottom: 2em; }
  .article-listing p {
    display: inline; }
  .article-listing h2 {
    font-size: 2em; }
  .article-listing .tag-list {
    text-align: center; }
  .article-listing:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none; }

.tag-list > li {
  display: inline; }

.tweet-button {
  display: block; }
  .tweet-button .ss-icon {
    font-size: 1.5em; }
  .tweet-button .count {
    position: relative;
    top: -0.175em;
    margin-left: 0.25em;
    font-size: 1.5em;
    font-weight: 600; }

.featured-section {
  border-top: solid 2px #DDD;
  padding-top: 1em;
  margin-top: 2em; }

.list-section h3 {
  text-align: center; }

.list-footer {
  margin: 1.5em 0;
  text-align: center; }

.vertical-listing {
  width: 100%;
  padding-left: 0.5em;
  margin: 0.5em 0;
  font-size: 0.9375rem; }

.column-section .vertical-list {
  -webkit-column-count: 1;
  -moz-column-count: 1;
  -ms-column-count: 1;
  -o-column-count: 1;
  column-count: 1;
  -webkit-column-gap: 2em;
  -moz-column-gap: 2em;
  -ms-column-gap: 2em;
  -o-column-gap: 2em;
  column-gap: 2em; }
.column-section .vertical-listing {
  -webkit-column-break-inside: avoid;
  -moz-column-break-inside: avoid;
  -ms-column-break-inside: avoid;
  -o-column-break-inside: avoid;
  column-break-inside: avoid;
  display: inline-block; }

.grid-list {
  font-size: 0;
  letter-spacing: 0;
  word-spacing: 0; }

.grid-listing {
  display: inline-block;
  width: 50%;
  font-size: 1rem; }
  .grid-listing .wrapper {
    -webkit-transition: margin 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    -moz-transition: margin 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    -ms-transition: margin 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    -o-transition: margin 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    transition: margin 0.25s cubic-bezier(0.455, 0.03, 0.515, 0.955);
    position: relative;
    margin: 0.75em; }
  .grid-listing .overlay {
    -webkit-transition: height 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    -moz-transition: height 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    -ms-transition: height 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    -o-transition: height 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    transition: height 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    display: none;
    position: absolute;
    overflow: hidden;
    width: 100%;
    height: 0;
    bottom: 0;
    text-align: center;
    line-height: 2em; }
  .grid-listing:hover .overlay {
    height: 2em; }

.shelf-list {
  zoom: 1; }
  .shelf-list:before, .shelf-list:after {
    content: "";
    display: table; }
  .shelf-list:after {
    clear: both; }

.shelf-listing {
  position: relative;
  float: left;
  width: 50%;
  margin: 1.875em 0;
  border-bottom: 10px solid #DDD; }
  .shelf-listing:hover {
    background-color: black; }
    .shelf-listing:hover .listing-header {
      display: block; }

.listing-thumbnail {
  display: block;
  text-align: center; }
  .listing-thumbnail img {
    vertical-align: bottom; }

.listing-header {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 0.625em; }

.listing-title {
  font-size: 1rem;
  line-height: 1.5em;
  color: white; }

p > code {
  position: relative;
  top: -1px;
  padding: 0.25em 0.5em;
  font-family: "Monaco", monospace, serif;
  font-size: 0.75em;
  background-color: #EEE;
  color: #000; }

.video-inner {
  position: relative;
  padding-bottom: 56.25%; }
  .video-inner iframe, .video-inner video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; }

@media only screen and (min-width: 30.1em) {
  h2 {
    font-size: 300%; }

  .main-header,
  .main-header.is-expanded {
    height: 10.375rem;
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 87.5%; }
    .main-header:before,
    .main-header.is-expanded:before {
      -webkit-opacity: 0;
      -moz-opacity: 0;
      -ms-opacity: 0;
      -o-opacity: 0;
      opacity: 0; }

  .main-nav {
    position: relative;
    float: left;
    left: 50%;
    width: auto; }

  .main-nav-list {
    position: relative;
    right: 50%;
    clear: none;
    float: left;
    margin-right: 4em; }
    .main-nav-list > li {
      width: auto;
      margin: 0; }

  .main-content {
    margin-top: 2rem; }

  .list-column {
    zoom: 1; }
    .list-column:before, .list-column:after {
      content: "";
      display: table; }
    .list-column:after {
      clear: both; }
    .list-column .list-section {
      float: left;
      width: 50%; }
      .list-column .list-section:first-child {
        padding-right: 0.5rem; }
      .list-column .list-section:last-child {
        padding-left: 0.5rem; }

  .list-section h3 {
    text-align: left; }

  .list-footer {
    text-align: left; }

  .shelf-listing {
    width: 33.3333%; }

  .article h2 {
    font-size: 300%; }
  .article .content-header {
    margin-bottom: 2em; }

  .article-footer {
    margin-top: 3em; }

  .article-listing h2 {
    font-size: 200%; }

  .featured-section {
    margin-top: 3em; }

  .column-section .vertical-list {
    -webkit-column-count: 2;
    -moz-column-count: 2;
    -ms-column-count: 2;
    -o-column-count: 2;
    column-count: 2; }

  .vertical-listing {
    font-size: 1rem; }

  .grid-listing {
    width: 33.3333%; }
    .grid-listing .wrapper {
      margin: 1em; }
    .grid-listing .overlay {
      display: block; }

  .content-header {
    margin-left: 2em;
    margin-right: 2em; }

  .content-subheader, .listing-footer {
    font-size: 100%; }

  .content-body p {
    font-size: 1em; }
    .content-body p:first-child {
      margin-top: 3em; }
  .content-body img, .content-body .video-outer {
    margin-top: 2em;
    margin-bottom: 2em; }
  .content-body pre {
    margin-top: 4em;
    margin-bottom: 4em; }
  .content-body p > a > img {
    margin-top: 1em; }
  .content-body .note {
    font-size: 0.875em; }

  .content-footer {
    padding-bottom: 2em;
    margin-bottom: 2em; } }
@media only screen and (min-width: 40.1em) {
  .shelf-listing {
    width: 25%; }

  .main-header,
  .main-header.is-expanded {
    height: 5.875rem;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem; }

  .main-title {
    float: left;
    margin: 0; }

  .main-nav {
    float: right;
    left: 0; }

  .main-nav-list {
    right: 0;
    margin-top: 0; }

  .content-body .left {
    float: left;
    max-width: 18.75em;
    width: 50%;
    margin-top: 0;
    margin-bottom: 1em;
    margin-right: 2em; } }