/*! normalize.css v4.0.0 | MIT License | github.com/necolas/normalize.css */
/**
 * 1. Change the default font family in all browsers (opinionated).
 * 2. Prevent adjustments of font size after orientation changes in IE and iOS.
 */
html {
  font-family: sans-serif;
  /* 1 */
  -ms-text-size-adjust: 100%;
  /* 2 */
  -webkit-text-size-adjust: 100%;
  /* 2 */ }

/**
 * Remove the margin in all browsers (opinionated).
 */
body {
  margin: 0; }

/* HTML5 display definitions
   ========================================================================== */
/**
 * Add the correct display in IE 9-.
 * 1. Add the correct display in Edge, IE, and Firefox.
 * 2. Add the correct display in IE.
 */
article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
  /* 1 */
  display: block; }

/**
 * Add the correct display in IE 9-.
 */
audio,
canvas,
progress,
video {
  display: inline-block; }

/**
 * Add the correct display in iOS 4-7.
 */
audio:not([controls]) {
  display: none;
  height: 0; }

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline; }

/**
 * Add the correct display in IE 10-.
 * 1. Add the correct display in IE.
 */
template,
[hidden] {
  display: none; }

/* Links
   ========================================================================== */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent; }

/**
 * Remove the outline on focused links when they are also active or hovered
 * in all browsers (opinionated).
 */
a:active,
a:hover {
  outline-width: 0; }

/* Text-level semantics
   ========================================================================== */
/**
 * 1. Remove the bottom border in Firefox 39-.
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  border-bottom: none;
  /* 1 */
  text-decoration: underline;
  /* 2 */
  text-decoration: underline dotted;
  /* 2 */ }

/**
 * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
 */
b,
strong {
  font-weight: inherit; }

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder; }

/**
 * Add the correct font style in Android 4.3-.
 */
dfn {
  font-style: italic; }

/**
 * Correct the font size and margin on `h1` elements within `section` and
 * `article` contexts in Chrome, Firefox, and Safari.
 */
h1 {
  font-size: 2em;
  margin: 0.67em 0; }

/**
 * Add the correct background and color in IE 9-.
 */
mark {
  background-color: #ff0;
  color: #000; }

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%; }

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

sub {
  bottom: -0.25em; }

sup {
  top: -0.5em; }

/* Embedded content
   ========================================================================== */
/**
 * Remove the border on images inside links in IE 10-.
 */
img {
  border-style: none; }

/**
 * Hide the overflow in IE.
 */
svg:not(:root) {
  overflow: hidden; }

/* Grouping content
   ========================================================================== */
/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  /* 1 */
  font-size: 1em;
  /* 2 */ }

/**
 * Add the correct margin in IE 8.
 */
figure {
  margin: 1em 40px; }

/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */ }

/* Forms
   ========================================================================== */
/**
 * Change font properties to `inherit` in all browsers (opinionated).
 */
button,
input,
select,
textarea {
  font: inherit; }

/**
 * Restore the font weight unset by the previous rule.
 */
optgroup {
  font-weight: bold; }

/**
 * Show the overflow in IE.
 * 1. Show the overflow in Edge.
 * 2. Show the overflow in Edge, Firefox, and IE.
 */
button,
input,
select {
  /* 2 */
  overflow: visible; }

/**
 * Remove the margin in Safari.
 * 1. Remove the margin in Firefox and Safari.
 */
button,
input,
select,
textarea {
  /* 1 */
  margin: 0; }

/**
 * Remove the inheritence of text transform in Edge, Firefox, and IE.
 * 1. Remove the inheritence of text transform in Firefox.
 */
button,
select {
  /* 1 */
  text-transform: none; }

/**
 * Change the cursor in all browsers (opinionated).
 */
button,
[type="button"],
[type="reset"],
[type="submit"] {
  cursor: pointer; }

/**
 * Restore the default cursor to disabled elements unset by the previous rule.
 */
[disabled] {
  cursor: default; }

/**
 * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
 *    controls in Android 4.
 * 2. Correct the inability to style clickable types in iOS.
 */
button,
html [type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  /* 2 */ }

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

/**
 * Restore the focus styles unset by the previous rule.
 */
button:-moz-focusring,
input:-moz-focusring {
  outline: 1px dotted ButtonText; }

/**
 * Change the border, margin, and padding in all browsers (opinionated).
 */
fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em; }

/**
 * 1. Correct the text wrapping in Edge and IE.
 * 2. Correct the color inheritance from `fieldset` elements in IE.
 * 3. Remove the padding so developers are not caught out when they zero out
 *    `fieldset` elements in all browsers.
 */
legend {
  box-sizing: border-box;
  /* 1 */
  color: inherit;
  /* 2 */
  display: table;
  /* 1 */
  max-width: 100%;
  /* 1 */
  padding: 0;
  /* 3 */
  white-space: normal;
  /* 1 */ }

/**
 * Remove the default vertical scrollbar in IE.
 */
textarea {
  overflow: auto; }

/**
 * 1. Add the correct box sizing in IE 10-.
 * 2. Remove the padding in IE 10-.
 */
[type="checkbox"],
[type="radio"] {
  box-sizing: border-box;
  /* 1 */
  padding: 0;
  /* 2 */ }

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
  height: auto; }

/**
 * Correct the odd appearance of search inputs in Chrome and Safari.
 */
[type="search"] {
  -webkit-appearance: textfield; }

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

.toc, .toc-child {
  padding-left: 0; }

.toc-item {
  list-style: none; }

.menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  border-right: 1px solid #efefef; }

.logo {
  text-align: center;
  padding: 20px 20px;
  font-size: 24px;
  line-height: 46px;
  font-weight: 300;
  color: #666666; }

.menu-nav {
  padding: 20px 25px; }
  .menu-nav span {
    color: #666666;
    font-size: 16px;
    font-weight: 600; }
  .menu-nav a {
    display: block;
    color: #777777;
    font-size: 14px;
    font-weight: 400;
    line-height: 24px;
    text-decoration: none;
    padding: 6px 0; }
    .menu-nav a:hover {
      color: #333333; }
    .menu-nav a.active {
      color: #10CF93; }
  .menu-nav > .nav > li {
    margin-bottom: 20px; }
  .menu-nav > .nav {
    padding: 0; }
  .menu-nav .nav {
    list-style: none; }
    .menu-nav .nav .nav {
      padding-top: 10px;
      padding-bottom: 10px;
      padding-left: 20px; }

.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px 20px;
  text-align: center;
  border-top: 1px solid #efefef;
  display: block;
  text-decoration: none; }
  .footer i, .footer span {
    display: inline-block;
    vertical-align: top;
    line-height: 20px;
    color: #666666; }
  .footer i {
    font-size: 17px;
    padding-right: 5px; }
  .footer span {
    font-size: 14px; }
  .footer:hover {
    text-decoration: none; }
    .footer:hover i, .footer:hover span {
      color: #10CF93; }

.page {
  padding-left: 300px; }

.page-content {
  padding: 40px;
  margin: 0 auto;
  width: 885px;
  max-width: 100%;
  padding-bottom: 80px; }

img {
  max-width: 100%; }

.switch-page {
  position: fixed;
  height: 55px;
  background-color: rgba(255, 255, 255, 0.8);
  bottom: 0;
  left: 300px;
  right: 0; }
  .switch-page .previous, .switch-page .next {
    display: inline-block;
    padding: 15px 20px;
    text-decoration: none;
    position: absolute;
    top: 0; }
    .switch-page .previous i, .switch-page .previous span, .switch-page .next i, .switch-page .next span {
      display: inline-block;
      vertical-align: top;
      line-height: 20px;
      color: #10CF93; }
    .switch-page .previous i, .switch-page .next i {
      font-size: 16px; }
    .switch-page .previous span, .switch-page .next span {
      font-size: 15px;
      padding: 0 5px; }
    .switch-page .previous:hover, .switch-page .next:hover {
      text-decoration: none; }
  .switch-page .previous {
    left: 0; }
  .switch-page .next {
    right: 0; }

.post-date {
  color: #ccc; }

h1 {
  border-bottom: 1px solid #efefef;
  margin-bottom: 30px;
  line-height: 50px;
  font-size: 34px;
  font-weight: 800;
  color: #333333; }

h2 {
  font-size: 25px;
  font-weight: 600;
  color: #333333;
  margin-bottom: 20px;
  margin-top: 30px; }

p, ul li {
  color: #444444;
  font-size: 15px;
  line-height: 23px; }

a {
  color: #10CF93; }
  a:hover {
    color: #0ca071; }

code {
  color: #4D4D4C; }

code, tt {
  margin: 0 2px;
  padding: 0 5px;
  white-space: nowrap;
  background-color: #fbfbfb;
  font-family: monospace, Consolas,"Liberation Mono",Menlo,Courier,monospace; }

pre code {
  margin: 0;
  padding: 0;
  white-space: pre;
  border: none;
  background: transparent; }

.highlight {
  font-family: monospace, Consolas,"Liberation Mono",Menlo,Courier,monospace;
  background-color: #fbfbfb;
  border: 1px solid #efefef;
  font-size: 13px;
  line-height: 19px;
  overflow: auto;
  padding: 0;
  border-radius: 3px; }
  .highlight table {
    width: 100%; }
    .highlight table .gutter, .highlight table .code {
      border: 0; }
    .highlight table .gutter {
      white-space: nowrap;
      border-right: 1px solid #efefef; }
      .highlight table .gutter pre {
        color: #999; }
    .highlight table .code {
      width: 99%; }

.highlight pre {
  background-color: #fbfbfb;
  font-size: 13px;
  line-height: 19px;
  overflow: auto;
  padding: 6px 10px;
  border-radius: 3px;
  margin-bottom: 0; }

pre code, pre tt {
  background-color: transparent;
  border: none; }

.editor, .editor .gutter {
  background-color: #FFFFFF;
  color: #4D4D4C; }

.editor.is-focused .cursor {
  border-color: #AEAFAD; }

.editor.is-focused .selection .region {
  background-color: #D6D6D6; }

.editor.is-focused .line-number.cursor-line-no-selection, .editor.is-focused .line.cursor-line {
  background-color: #EFEFEF; }

.comment {
  color: #8E908C; }

.keyword.operator.class, .constant.other, .source.php.embedded.line {
  color: #666969; }

.variable, .support.other.variable, .string.other.link, .string.regexp, .entity.name.tag, .entity.other.attribute-name, .meta.tag, .declaration.tag, .markup.deleted.git_gutter {
  color: #C82829; }

.constant.numeric, .constant.language, .support.constant, .constant.character, .variable.parameter, .punctuation.section.embedded, .keyword.other.unit {
  color: #F5871F; }

.entity.name.class, .entity.name.type.class, .support.type, .support.class {
  color: #C99E00; }

.string, .constant.other.symbol, .entity.other.inherited-class, .entity.name.filename, .markup.heading, .markup.inserted.git_gutter {
  color: #718C00; }

.keyword.operator, .constant.other.color {
  color: #3E999F; }

.entity.name.function, .meta.function-call, .support.function, .keyword.other.special-method, .meta.block-level, .markup.changed.git_gutter {
  color: #4271AE; }

.keyword, .storage, .storage.type {
  color: #8959A8; }

.invalid {
  color: #FFFFFF;
  background-color: #C82829; }

.meta.separator {
  color: #FFFFFF;
  background-color: #4271AE; }

.invalid.deprecated {
  color: #FFFFFF;
  background-color: #8959A8; }

.markup.inserted.diff, .markup.deleted.diff, .meta.diff.header.to-file, .meta.diff.header.from-file {
  color: #FFFFFF; }

.markup.inserted.diff, .meta.diff.header.to-file {
  background-color: #718c00; }

.markup.deleted.diff, .meta.diff.header.from-file {
  background-color: #c82829; }

.meta.diff.header.from-file, .meta.diff.header.to-file {
  color: #FFFFFF;
  background-color: #4271ae; }

.meta.diff.range {
  font-style: italic;
  color: #3e999f; }

body {
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif; }