/*! normalize.css v3.0.2 | MIT License | git.io/normalize */

/**
 * 1. Set default font family to sans-serif.
 * 2. Prevent iOS text size adjust after orientation change, without disabling
 *    user zoom.
 */

html {
  font-family: sans-serif; /* 1 */
  -ms-text-size-adjust: 100%; /* 2 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/**
 * Remove default margin.
 */

body {
  margin: 0;
}

/* HTML5 display definitions
   ========================================================================== */

/**
 * Correct `block` display not defined for any HTML5 element in IE 8/9.
 * Correct `block` display not defined for `details` or `summary` in IE 10/11
 * and Firefox.
 * Correct `block` display not defined for `main` in IE 11.
 */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}

/**
 * 1. Correct `inline-block` display not defined in IE 8/9.
 * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
 */

audio,
canvas,
progress,
video {
  display: inline-block; /* 1 */
  vertical-align: baseline; /* 2 */
}

/**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */

audio:not([controls]) {
  display: none;
  height: 0;
}

/**
 * Address `[hidden]` styling not present in IE 8/9/10.
 * Hide the `template` element in IE 8/9/11, Safari, and Firefox < 22.
 */

[hidden],
template {
  display: none;
}

/* Links
   ========================================================================== */

/**
 * Remove the gray background color from active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * Improve readability when focused and also mouse hovered in all browsers.
 */

a:active,
a:hover {
  outline: 0;
}

/* Text-level semantics
   ========================================================================== */

/**
 * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
 */

abbr[title] {
  border-bottom: 1px dotted;
}

/**
 * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
 */

b,
strong {
  font-weight: bold;
}

/**
 * Address styling not present in Safari and Chrome.
 */

dfn {
  font-style: italic;
}

/**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari, and Chrome.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/**
 * Address styling not present in IE 8/9.
 */

mark {
  background: #ff0;
  color: #000;
}

/**
 * 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 8/9/10.
 */

img {
  border: 0;
}

/**
 * Correct overflow not hidden in IE 9/10/11.
 */

svg:not(:root) {
  overflow: hidden;
}

/* Grouping content
   ========================================================================== */

/**
 * Address margin not present in IE 8/9 and Safari.
 */

figure {
  margin: 1em 40px;
}

/**
 * Address differences between Firefox and other browsers.
 */

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

/**
 * Contain overflow in all browsers.
 */

pre {
  overflow: auto;
}

/**
 * Address odd `em`-unit font size rendering in all browsers.
 */

code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

/* Forms
   ========================================================================== */

/**
 * Known limitation: by default, Chrome and Safari on OS X allow very limited
 * styling of `select`, unless a `border` property is set.
 */

/**
 * 1. Correct color not being inherited.
 *    Known issue: affects color of disabled elements.
 * 2. Correct font properties not being inherited.
 * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
 */

button,
input,
optgroup,
select,
textarea {
  color: inherit; /* 1 */
  font: inherit; /* 2 */
  margin: 0; /* 3 */
}

/**
 * Address `overflow` set to `hidden` in IE 8/9/10/11.
 */

button {
  overflow: visible;
}

/**
 * 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 Firefox, IE 8/9/10/11, and Opera.
 * Correct `select` style inheritance in Firefox.
 */

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"], /* 1 */
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;
}

/**
 * Remove inner padding and border in Firefox 4+.
 */

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

/**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */

input {
  line-height: normal;
}

/**
 * It's recommended that you don't attempt to style these elements.
 * Firefox's implementation doesn't respect box-sizing, padding, or width.
 *
 * 1. Address box sizing set to `content-box` in IE 8/9/10.
 * 2. Remove excess padding in IE 8/9/10.
 */

input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Fix the cursor style for Chrome's increment/decrement buttons. For certain
 * `font-size` values of the `input`, it causes the cursor style of the
 * decrement button to change from `default` to `text`.
 */

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
 * 2. Address `box-sizing` set to `border-box` in Safari 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 and Chrome on OS X.
 * Safari (but not Chrome) clips the cancel button when the search input has
 * padding (and `textfield` appearance).
 */

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 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 8/9/10/11.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */

legend {
  border: 0; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Remove default vertical scrollbar in IE 8/9/10/11.
 */

textarea {
  overflow: auto;
}

/**
 * Don't inherit the `font-weight` (applied by a rule above).
 * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
 */

optgroup {
  font-weight: bold;
}

/* Tables
   ========================================================================== */

/**
 * Remove most spacing between table cells.
 */

table {
  border-collapse: collapse;
  border-spacing: 0;
}

td,
th {
  padding: 0;
}

html {
  font-size: 62.5%;
}
body {
  color: #404040;
  margin: 0;
  height: 100vh;
  -webkit-box-orient: vertical;
  -moz-box-orient: vertical;
  -o-box-orient: vertical;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  font-family: "Noto Sans TC", sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6em;
}
a {
  color: #0089a7;
  text-decoration: underline;
}
a:hover {
  -webkit-transition: color 0.3s ease;
  -moz-transition: color 0.3s ease;
  -o-transition: color 0.3s ease;
  -ms-transition: color 0.3s ease;
  transition: color 0.3s ease;
}
header,
main {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 20px;
}
header {
  background-image: -webkit-linear-gradient(85deg, #1a6091, #0089a7 50%);
  background-image: -moz-linear-gradient(85deg, #1a6091, #0089a7 50%);
  background-image: -o-linear-gradient(85deg, #1a6091, #0089a7 50%);
  background-image: -ms-linear-gradient(85deg, #1a6091, #0089a7 50%);
  background-image: linear-gradient(5deg, #1a6091, #0089a7 50%);
  -webkit-box-flex: 1;
  -moz-box-flex: 1;
  -o-box-flex: 1;
  box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  overflow: hidden;
  position: relative;
  text-align: center;
}
header a,
header h1,
header p,
header nav {
  position: relative;
  z-index: 2;
}
header a {
  color: #fff;
  text-decoration: none;
}
header a:hover {
  text-decoration: underline;
}
header h1 {
  color: #fff;
  font-family: "Source Code Pro", monospace;
  font-size: 3.75rem;
  font-weight: 400;
  letter-spacing: -1px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
}
header h1 a {
  color: unset;
}
header h1 a:hover {
  text-decoration: none;
}
header h2 {
  color: rgba(255,255,255,0.66);
  font-size: 2.5rem;
}
header img {
  line-height: 0;
  margin: 0;
  max-height: 100px;
  width: auto;
}
header p {
  color: #fafafa;
  font-family: 'Droid Serif', Georgia, serif;
  font-size: 1.62rem;
  font-weight: 400;
  letter-spacing: 0;
  margin: 0;
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
}
header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
header nav ul li {
  display: inline-block;
  padding: 12px;
}
header nav ul li:last-child:after {
  content: '';
}
header nav ul .icon-list {
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: box;
  display: flex;
  -webkit-box-orient: horizontal;
  -moz-box-orient: horizontal;
  -o-box-orient: horizontal;
  -webkit-flex-direction: row;
  -ms-flex-direction: row;
  flex-direction: row;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -o-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
}
header nav ul .icon-list a {
  display: block;
  width: 28px;
  margin: 12px 16px 0 0;
}
header nav ul .icon-list img {
  color: #fff;
  width: 100%;
}
main {
  background: #f8f8f8;
  -webkit-box-flex: 2;
  -moz-box-flex: 2;
  -o-box-flex: 2;
  box-flex: 2;
  -webkit-flex: 2;
  -ms-flex: 2;
  flex: 2;
  hypens: auto;
  overflow-x: hidden;
  padding: 20px;
  text-align: left;
  word-break: normal;
  word-wrap: break-word;
}
main .content {
  max-width: 720px;
}
main .content a.post-list {
  padding-left: 4px;
}
main a.article {
  color: #404040;
  text-decoration: none;
}
main a.article:last-of-type article {
  border: none;
}
main a.article:last-of-type article:after {
  background: none;
  border: none;
  -webkit-box-shadow: none;
  box-shadow: none;
  padding-bottom: 20px;
}
main a.article:hover h2 {
  color: #1d9cf7;
  -webkit-transition: color 0.3s ease;
  -moz-transition: color 0.3s ease;
  -o-transition: color 0.3s ease;
  -ms-transition: color 0.3s ease;
  transition: color 0.3s ease;
}
main .page-title {
  color: #a4a4a4;
  font-family: 'Droid Serif', Georgia, serif;
  font-size: 1.88rem;
  font-style: italic;
  font-weight: 400;
  margin: 0;
  padding-bottom: 16px;
  text-align: center;
}
main .post-meta {
  color: #a4a4a4;
  display: inline-block;
  font-family: 'Droid Serif', Georgia, serif;
  font-weight: 400;
  font-size: 1.88rem;
  margin: 0;
}
main .pagination {
  margin: 8px;
  display: -webkit-box;
  display: -moz-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: box;
  display: flex;
  -webkit-box-pack: center;
  -moz-box-pack: center;
  -o-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
}
main .pagination a {
  padding: 8px;
}
main .page ul {
  padding: 4px 0 4px 16px;
}
main .page li {
  padding: 3px 0;
}
main article img {
  border-radius: 3px;
  height: auto;
  margin-top: 16px;
  max-width: 100%;
  max-height: 560px;
}
main article h2 {
  border-left: solid #0089a7 6px;
  padding: 8px 16px;
}
main article ul {
  padding: 4px 0 4px 16px;
}
main article li {
  padding: 2px 0;
}
main article blockquote {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin: 1.5rem 0;
  padding: 0 0 0 1em;
  border-left: #666 0.3em solid;
  color: #666;
}
main article blockquote footer {
  text-align: left;
  padding: 0;
  border: 0;
  background: none;
  color: #404040;
  line-height: 1.6em;
  font-size: 0.9em;
}
main article blockquote p {
  margin: 0.4em 0;
}
main article blockquote small {
  display: inline-block;
  margin: 0.8em 0 0.8em 1.5em;
  font-size: 0.9rem;
  color: #f8f8f8;
}
main article blockquote small:before {
  content: '\2014 \00A0';
}
main article blockquote ol,
main article blockquote ul {
  font-style: italic;
}
main article blockquote cite {
  font-weight: bold;
}
main article blockquote cite:before {
  content: '—';
  padding: 0 0.3em;
}
main article blockquote cite a {
  color: $link-article-color;
  font-weight: normal;
}
main article.item {
  border-bottom: 1px solid rgba(0,0,0,0.15);
  color: #404040;
  padding: 24px 0;
}
main article.item h2 {
  break-word: normal;
  color: #404040;
  margin-bottom: 16px;
  word-wrap: break-word;
}
main article.item p.post-excerpt {
  font-size: 1.62rem;
  line-height: 1.6em;
  margin: 16px 0 0 0;
}
main article.item:after {
  display: block;
  content: '';
  width: 7px;
  height: 7px;
  border: 1px solid #dadada 1px solid;
  position: relative;
  top: 27.5px;
  left: 50%;
  margin-left: -5px;
  background: #d3d3d3;
  border-radius: 100%;
  -webkit-box-shadow: #f8f8f8 0 0 0 5px;
  box-shadow: #f8f8f8 0 0 0 5px;
}
main article.full h2 {
  margin: 1rem 0;
}
main article.full a {
  text-decoration: none;
}
main article.full a:hover {
  text-decoration: underline;
  color: #1d9cf7;
}
main article.full p + img {
  margin-top: 0;
}
main article.full .noshadow {
  -webkit-box-shadow: none;
  box-shadow: none;
  border-radius: 0;
}
main article.full .logos {
  display: inline-block;
  clear: both;
}
main article.full .logos img {
  width: auto;
}
main article.full .left {
  float: left;
}
main article.full .right {
  float: right;
}
main article.full form .form-column {
  display: inline-block;
  text-align: left;
  width: 100%;
}
main article.full form .form-column input[type="name"],
main article.full form .form-column input[type="email"] {
  width: 100%;
}
main article.full form .form-column input,
main article.full form .form-column textarea {
  padding: 0.5em 0.6em;
  margin: 0;
  border: 1px solid #f8f8f8;
  -webkit-box-shadow: inset 0 1px 3px #a4a4a4;
  box-shadow: inset 0 1px 3px #a4a4a4;
  border-radius: 2px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  overflow: hidden;
}
main article.full form .form-column textarea {
  margin: 0.5em 0.5em 0.5em 0;
}
main article.full form .form-column input[type="checkbox"] {
  margin: 0.5em;
}
main article.full form .form-column label {
  margin-right: 0.5em;
}
main article.full form .form-column textarea {
  width: 100%;
}
main article.full form .form-column button {
  background: #1d9cf7;
  border: 1px solid #0777c7;
  -webkit-box-shadow: inset 0 0 0 1px #1d9cf7, 0 1px 3px #737373;
  box-shadow: inset 0 0 0 1px #1d9cf7, 0 1px 3px #737373;
  border-radius: 2px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  color: #fafafa;
  font-family: 'Open Sans', sans-serif;
  letter-spacing: 1px;
  margin: 0.5em 0.5em 0.5em 0;
  padding: 0.1em 0.6em;
  white-space: nowrap;
  text-transform: uppercase;
  text-shadow: 0 -1px 1px #0777c7;
}
main article.full .btn {
  border: none;
  font-size: inherit;
  color: #fafafa;
  background: none;
  cursor: pointer;
  display: inline-block;
  letter-spacing: 1px;
  font-weight: 700;
  outline: none;
  position: relative;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  -ms-transition: all 0.3s;
  transition: all 0.3s;
  vertical-align: middle;
}
main article.full .btn:after {
  content: '';
  position: absolute;
  z-index: -1;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  -ms-transition: all 0.3s;
  transition: all 0.3s;
}
main article.full .small-button {
  background: #1d9cf7;
  border-radius: 2px;
  -webkit-box-shadow: 0 2px #0777c7;
  box-shadow: 0 2px #0777c7;
  color: #fafafa;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.6;
  margin: 0;
  border: 1px solid #0777c7;
  padding: 0 5px;
  white-space: nowrap;
}
main article.full .small-button:before {
  left: 130%;
  top: 0;
}
main article.full .small-button:hover {
  -webkit-box-shadow: 0 2px #0777c7;
  box-shadow: 0 2px #0777c7;
  top: 1px;
}
main article.full .small-button:hover:before {
  left: 80%;
}
main article.full .small-button:active {
  -webkit-box-shadow: 0 0 #0777c7;
  box-shadow: 0 0 #0777c7;
  top: 2px;
}
main article.full .simple:hover {
  -webkit-box-shadow: inset 0 0 20px 1px #7fc7fb, 1px 1px 3px #55b5f9;
  box-shadow: inset 0 0 20px 1px #7fc7fb, 1px 1px 3px #55b5f9;
}
main article.full .big-button {
  background: #1d9cf7;
  color: #fafafa;
  font-family: 'Open Sans', sans-serif;
  -webkit-box-shadow: 0 6px #0777c7;
  box-shadow: 0 6px #0777c7;
  -webkit-transition: none;
  -moz-transition: none;
  -o-transition: none;
  -ms-transition: none;
  transition: none;
  border-radius: 5px;
  text-transform: uppercase;
  padding: 25px 80px;
  margin: 15px 30px;
}
main article.full .big-button:hover {
  color: #fafafa;
  -webkit-box-shadow: 0 4px #0777c7;
  box-shadow: 0 4px #0777c7;
  padding: 25px 80px;
  top: 2px;
}
main article.full .big-button:hover:before {
  left: 80%;
}
main article.full .big-button:active {
  color: #fafafa;
  -webkit-box-shadow: 0 0 #0777c7;
  box-shadow: 0 0 #0777c7;
  padding: 25px 80px;
  top: 6px;
}
main article.full .big-button:before {
  left: 130%;
  top: 0;
}
main article.full .round-button {
  border-radius: 30px;
  border: 3px solid #dfdfdf;
  color: #dfdfdf;
  font-family: 'Open Sans', sans-serif;
  padding: 10px 30px;
  overflow: hidden;
  margin: 15px 30px;
  text-transform: uppercase;
}
main article.full .round-button:hover {
  border: 3px solid $link-article-color;
  color: #1d9cf7;
}
main article.full .punch-button {
  background: #1d9cf7;
  border-top: 1px solid #0777c7;
  border-right: 1px solid #033050;
  border-bottom: 1px solid #022035;
  border-left: 1px solid #033050;
  border-radius: 4px;
  -webkit-box-shadow: inset 0 1px 10px 1px #55b5f9, 0 1px 0 #022035, 0 6px 0 #033050, 0 8px 4px 1px #737373;
  box-shadow: inset 0 1px 10px 1px #55b5f9, 0 1px 0 #022035, 0 6px 0 #033050, 0 8px 4px 1px #737373;
  color: #fafafa;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  margin-top: 4px;
  padding: 0.4em;
  width: 12em;
  text-align: center;
  text-shadow: 0 -1px 1px #0777c7;
  text-transform: uppercase;
  -webkit-background-clip: padding-box;
}
main article.full .punch-button hr {
  display: block;
  border-color: #fafafa;
  margin-top: 0.4em;
  margin-bottom: 0;
  padding-top: 0.4em;
}
main article.full .punch-button hr:before,
main article.full .punch-button hr:after {
  display: none;
}
main article.full .punch-button span {
  display: block;
  color: #033050;
  font-family: 'Open Sans', sans-serif;
  font-size: 1.4rem;
  font-style: italic;
  letter-spacing: 1px;
  text-align: center;
  text-shadow: 0 -1px 1px #55b5f9;
  width: 80%;
  margin: 0 auto;
  text-transform: none;
}
main article.full .punch-button:hover {
  -webkit-box-shadow: inset 0 0 20px 1px #7fc7fb, 0 1px 0 #022035, 0 6px 0 #033050, 0 8px 4px 1px #737373;
  box-shadow: inset 0 0 20px 1px #7fc7fb, 0 1px 0 #022035, 0 6px 0 #033050, 0 8px 4px 1px #737373;
  cursor: pointer;
}
main article.full .punch-button:active {
  -webkit-box-shadow: inset 0 1px 10px 1px #55b5f9, 0 1px 0 #022035, 0 2px 0 #033050, 0 4px 3px 0 #737373;
  box-shadow: inset 0 1px 10px 1px #55b5f9, 0 1px 0 #022035, 0 2px 0 #033050, 0 4px 3px 0 #737373;
  margin-top: 8px;
}
main .related-posts {
  font-size: 2rem;
}
main .related-posts>div {
  margin-bottom: 8px;
}
main section#comments {
  border-top: 1px solid rgba(0,0,0,0.15);
  padding-top: 20px;
}
main footer {
  padding: 0;
  text-align: center;
  position: relative;
  padding: 4rem 0;
  border: 1px solid #d3d3d3 1px solid;
  font-size: 1.3rem;
  line-height: 2.1em;
  color: #a0a0a0;
  background: #ececec;
}
main footer :not(main) > a {
  color: #666;
  font-weight: 700;
  text-decoration: none;
}
main footer .pubkey {
  font-family: 'Fira Mono', monospace, sans-serif;
  font-weight: 500;
  color: #737373;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 700;
  text-rendering: optimizeLegibility;
  margin-bottom: 0.5rem;
  line-height: 1.25;
  color: #313131;
}
h1 {
  font-size: 3.25rem;
  margin-top: 1.6rem;
}
h2 {
  font-size: 2.67rem;
  margin-top: 1.5rem;
}
h3 {
  font-size: 2.33rem;
  margin-top: 1.4rem;
}
h4 {
  font-size: 1.85rem;
  margin-top: 1.2rem;
}
h5,
h6 {
  font-size: 1.67rem;
}
a {
  -webkit-transition: color ease 0.3s;
  -moz-transition: color ease 0.3s;
  -o-transition: color ease 0.3s;
  -ms-transition: color ease 0.3s;
  transition: color ease 0.3s;
  text-decoration: none;
}
a:hover {
  color: $link-article-color;
}
hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: #d3d3d3 1px solid;
  margin: 40px 0;
  padding: 0;
}
hr:after {
  display: block;
  content: '';
  width: 7px;
  height: 7px;
  border: 1px solid #dadada 1px solid;
  position: relative;
  top: -5px;
  left: 50%;
  margin-left: -5px;
  background: #d3d3d3;
  border-radius: 100%;
  -webkit-box-shadow: #f8f8f8 0 0 0 5px;
  box-shadow: #f8f8f8 0 0 0 5px;
}
p,
ul,
ol,
dl,
table {
  margin: 12px 0;
}
ol ol,
ul ul,
ul ol,
ol ul {
  margin: 5px 0;
}
dl dt {
  clear: left;
  float: left;
  font-weight: bold;
  margin-bottom: 12px;
  overflow: hidden;
  text-align: right;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 180px;
}
dl dd {
  margin-left: 200px;
  margin-bottom: 12px;
}
code,
tt {
  border-radius: 0.2em;
  color: #bf616a;
  background-color: #e6e6e6;
  font-family: 'Fira Mono', monospace, sans-serif;
  font-size: 0.85em;
  font-weight: 400;
  padding: 2px 6px;
  margin: 0 4px;
  white-space: pre-wrap;
}
pre {
  color: #a9b7c6;
  background: #282b2e;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border-radius: 0.3em;
  font-family: 'Fira Mono', monospace, sans-serif;
  font-size: 0.9em;
  font-weight: 400;
  margin: 1.6em 0;
  overflow: auto;
  padding: 10px;
  white-space: pre;
  width: 100%;
}
pre code,
tt {
  background: transparent;
  border: none;
  font-size: inherit;
  padding: 0;
  white-space: -moz-pre-wrap;
  white-space: pre-wrap;
}
kbd {
  background: #f4f4f4;
  border: 1px solid #ccc 1px solid;
  border-radius: 3px;
  -webkit-box-shadow: 0 1px 0 rgba(0,0,0,0.2), 0 0 0 2px #fafafa inset;
  box-shadow: 0 1px 0 rgba(0,0,0,0.2), 0 0 0 2px #fafafa inset;
  color: #666;
  display: inline-block;
  font-family: 'Droid Serif', Georgia, serif;
  font-size: 0.9em;
  margin-bottom: 0.4em;
  padding: 0 5px;
  text-shadow: 0 1px 0 #fafafa;
  white-space: nowrap;
}
iframe {
  max-width: 100%;
}
.fluid-width-video-wrapper {
  display: block;
  margin: 0;
}
/* When a video is inside the fitvids wrapper, drop the
margin on the iframe, cause it breaks stuff. */
.fluid-width-video-wrapper iframe {
  margin: 0;
}
/* Hexo: Youtube, other video container */
.video-container {
  position: relative;
  padding-top: 56.25%;
  height: 0;
  overflow: hidden;
}
.video-container iframe,
.video-container object,
.video-container embed {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  margin-top: 0;
}
table > tbody > tr > td {
  padding-right: 10px;
}
/* Hexo: Syntax Highlighter */
figure.highlight {
  color: #a9b7c6;
  background: #282b2e;
  border-radius: 0.3em;
  border: 1px solid #f2f2f2;
  font-size: 0.9em;
  line-height: 1.45em;
  margin: 1em 0 2.1em 0;
  overflow: auto;
  white-space: pre;
  word-wrap: normal;
}
figure.highlight.md td.gutter {
  display: none;
}
figure.highlight figcaption {
  padding: 7px 10px;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.8em;
  text-align: center;
}
figure.highlight figcaption a {
  margin-left: 0.3em;
}
figure.highlight table {
  margin: 0;
}
figure.highlight table > tbody > tr > td {
  padding: 0;
  background: #fafafa;
}
figure.highlight table > tbody > tr > td.gutter {
  max-width: 40px;
  text-align: right;
}
figure.highlight pre {
  border: none;
  border-radius: 0;
  margin: 0;
}
@media (min-width: 960px) {
  body {
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: box;
    display: flex;
    -webkit-box-orient: horizontal;
    -moz-box-orient: horizontal;
    -o-box-orient: horizontal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
  }
  body header {
    -webkit-box-flex: 2;
    -moz-box-flex: 2;
    -o-box-flex: 2;
    box-flex: 2;
    -webkit-flex: 2;
    -ms-flex: 2;
    flex: 2;
    min-width: 250px;
    overflow: hidden;
    text-align: left;
    padding: 52px 36px;
    display: -webkit-box;
    display: -moz-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: box;
    display: flex;
    -webkit-box-orient: vertical;
    -moz-box-orient: vertical;
    -o-box-orient: vertical;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: end;
    -moz-box-pack: end;
    -o-box-pack: end;
    -ms-flex-pack: end;
    -webkit-justify-content: end;
    justify-content: end;
  }
  body header img {
    margin: 0 -32px 0 0;
  }
  body header nav ul {
    padding-top: 24px;
  }
  body header nav ul li {
    display: block;
    line-height: 1.6em;
    padding: 0;
  }
  body header nav ul li:after {
    content: '';
    padding: 0;
  }
  body header nav ul .icon-list {
    -webkit-box-pack: start;
    -moz-box-pack: start;
    -o-box-pack: start;
    -ms-flex-pack: start;
    -webkit-justify-content: start;
    justify-content: start;
  }
  body main {
    -webkit-box-flex: 9;
    -moz-box-flex: 9;
    -o-box-flex: 9;
    box-flex: 9;
    -webkit-flex: 9;
    -ms-flex: 9;
    flex: 9;
    padding: 30px 60px;
  }
  body main form .form-column input[type="name"],
  body main form .form-column input[type="email"] {
    width: 35%;
    margin: 0.5em 0.5em 0.5em 0;
  }
  body main article img {
    max-width: 720px;
  }
}
img.full-height {
  max-height: unset;
}
.bmc-block .bmc-greeting {
  font-size: 14px;
  line-height: 37px;
}
/** side-navi */
@media only screen and (max-width: 1450px) {
  #side-nav {
    display: none;
  }
}
#side-nav {
  min-width: 72px;
  max-width: 240px;
  position: fixed;
  top: 0;
  margin-left: 780px;
  padding-top: 6rem;
}
#side-nav .head {
  color: rgba(0,0,0,0.6);
  border-bottom: solid 1px rgba(0,0,0,0.6);
  margin-bottom: 8px;
}
#side-nav ul {
  padding-left: 0;
}
#side-nav a {
  color: rgba(0,0,0,0.6);
}
#side-nav .nav2 {
  list-style: none;
  font-size: 80%;
}
#side-nav .nav2.active {
  font-weight: bold;
}
#side-nav .nav3 {
  list-style: none;
  font-size: 70%;
  padding-left: 8px;
}