/*! 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. */
@import url("https://fonts.googleapis.com/css?family=Open+Sans:400,700&display=swap");
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 { 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"], 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 */ /* 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; }

.highlight table td { padding: 5px; }

.highlight table pre { margin: 0; }

.highlight .cm { color: #999988; font-style: italic; }

.highlight .cp { color: #999999; font-weight: bold; }

.highlight .c1 { color: #999988; font-style: italic; }

.highlight .cs { color: #999999; font-weight: bold; font-style: italic; }

.highlight .c, .highlight .cd { color: #999988; font-style: italic; }

.highlight .err { color: #a61717; background-color: #e3d2d2; }

.highlight .gd { color: #000000; background-color: #ffdddd; }

.highlight .ge { color: #000000; font-style: italic; }

.highlight .gr { color: #aa0000; }

.highlight .gh { color: #999999; }

.highlight .gi { color: #000000; background-color: #ddffdd; }

.highlight .go { color: #888888; }

.highlight .gp { color: #555555; }

.highlight .gs { font-weight: bold; }

.highlight .gu { color: #aaaaaa; }

.highlight .gt { color: #aa0000; }

.highlight .kc { color: #000000; font-weight: bold; }

.highlight .kd { color: #000000; font-weight: bold; }

.highlight .kn { color: #000000; font-weight: bold; }

.highlight .kp { color: #000000; font-weight: bold; }

.highlight .kr { color: #000000; font-weight: bold; }

.highlight .kt { color: #445588; font-weight: bold; }

.highlight .k, .highlight .kv { color: #000000; font-weight: bold; }

.highlight .mf { color: #009999; }

.highlight .mh { color: #009999; }

.highlight .il { color: #009999; }

.highlight .mi { color: #009999; }

.highlight .mo { color: #009999; }

.highlight .m, .highlight .mb, .highlight .mx { color: #009999; }

.highlight .sb { color: #d14; }

.highlight .sc { color: #d14; }

.highlight .sd { color: #d14; }

.highlight .s2 { color: #d14; }

.highlight .se { color: #d14; }

.highlight .sh { color: #d14; }

.highlight .si { color: #d14; }

.highlight .sx { color: #d14; }

.highlight .sr { color: #009926; }

.highlight .s1 { color: #d14; }

.highlight .ss { color: #990073; }

.highlight .s { color: #d14; }

.highlight .na { color: #008080; }

.highlight .bp { color: #999999; }

.highlight .nb { color: #0086B3; }

.highlight .nc { color: #445588; font-weight: bold; }

.highlight .no { color: #008080; }

.highlight .nd { color: #3c5d5d; font-weight: bold; }

.highlight .ni { color: #800080; }

.highlight .ne { color: #990000; font-weight: bold; }

.highlight .nf { color: #990000; font-weight: bold; }

.highlight .nl { color: #990000; font-weight: bold; }

.highlight .nn { color: #555555; }

.highlight .nt { color: #000080; }

.highlight .vc { color: #008080; }

.highlight .vg { color: #008080; }

.highlight .vi { color: #008080; }

.highlight .nv { color: #008080; }

.highlight .ow { color: #000000; font-weight: bold; }

.highlight .o { color: #000000; font-weight: bold; }

.highlight .w { color: #bbbbbb; }

.highlight { background-color: #f8f8f8; }

* { box-sizing: border-box; }

body { padding: 0; margin: 0; font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 16px; line-height: 1.5; color: #606c71; }

#skip-to-content { height: 1px; width: 1px; position: absolute; overflow: hidden; top: -10px; }
#skip-to-content:focus { position: fixed; top: 10px; left: 10px; height: auto; width: auto; background: #e19447; outline: thick solid #e19447; }

a { color: #1e6bb8; text-decoration: none; }
a:hover { text-decoration: underline; }

.btn { display: inline-block; margin-bottom: 1rem; color: rgba(255, 255, 255, 0.7); background-color: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.2); border-style: solid; border-width: 1px; border-radius: 0.3rem; transition: color 0.2s, background-color 0.2s, border-color 0.2s; }
.btn:hover { color: rgba(255, 255, 255, 0.8); text-decoration: none; background-color: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.3); }
.btn + .btn { margin-left: 1rem; }
@media screen and (min-width: 64em) { .btn { padding: 0.75rem 1rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .btn { padding: 0.6rem 0.9rem; font-size: 0.9rem; } }
@media screen and (max-width: 42em) { .btn { display: block; width: 100%; padding: 0.75rem; font-size: 0.9rem; }
  .btn + .btn { margin-top: 1rem; margin-left: 0; } }

.page-header { color: #fff; text-align: center; background-color: #159957; background-image: linear-gradient(120deg, #155799, #159957); }
@media screen and (min-width: 64em) { .page-header { padding: 5rem 6rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .page-header { padding: 3rem 4rem; } }
@media screen and (max-width: 42em) { .page-header { padding: 2rem 1rem; } }

.project-name { margin-top: 0; margin-bottom: 0.1rem; }
@media screen and (min-width: 64em) { .project-name { font-size: 3.25rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .project-name { font-size: 2.25rem; } }
@media screen and (max-width: 42em) { .project-name { font-size: 1.75rem; } }

.project-tagline { margin-bottom: 2rem; font-weight: normal; opacity: 0.7; }
@media screen and (min-width: 64em) { .project-tagline { font-size: 1.25rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .project-tagline { font-size: 1.15rem; } }
@media screen and (max-width: 42em) { .project-tagline { font-size: 1rem; } }

.main-content { word-wrap: break-word; }
.main-content :first-child { margin-top: 0; }
@media screen and (min-width: 64em) { .main-content { max-width: 64rem; padding: 2rem 6rem; margin: 0 auto; font-size: 1.1rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .main-content { padding: 2rem 4rem; font-size: 1.1rem; } }
@media screen and (max-width: 42em) { .main-content { padding: 2rem 1rem; font-size: 1rem; } }
.main-content kbd { background-color: #fafbfc; border: 1px solid #c6cbd1; border-bottom-color: #959da5; border-radius: 3px; box-shadow: inset 0 -1px 0 #959da5; color: #444d56; display: inline-block; font-size: 11px; line-height: 10px; padding: 3px 5px; vertical-align: middle; }
.main-content img { max-width: 100%; }
.main-content h1, .main-content h2, .main-content h3, .main-content h4, .main-content h5, .main-content h6 { margin-top: 2rem; margin-bottom: 1rem; font-weight: normal; color: #159957; }
.main-content p { margin-bottom: 1em; }
.main-content code { padding: 2px 4px; font-family: Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 0.9rem; color: #567482; background-color: #f3f6fa; border-radius: 0.3rem; }
.main-content pre { padding: 0.8rem; margin-top: 0; margin-bottom: 1rem; font: 1rem Consolas, "Liberation Mono", Menlo, Courier, monospace; color: #567482; word-wrap: normal; background-color: #f3f6fa; border: solid 1px #dce6f0; border-radius: 0.3rem; }
.main-content pre > code { padding: 0; margin: 0; font-size: 0.9rem; color: #567482; word-break: normal; white-space: pre; background: transparent; border: 0; }
.main-content .highlight { margin-bottom: 1rem; }
.main-content .highlight pre { margin-bottom: 0; word-break: normal; }
.main-content .highlight pre, .main-content pre { padding: 0.8rem; overflow: auto; font-size: 0.9rem; line-height: 1.45; border-radius: 0.3rem; -webkit-overflow-scrolling: touch; }
.main-content pre code, .main-content pre tt { display: inline; max-width: initial; padding: 0; margin: 0; overflow: initial; line-height: inherit; word-wrap: normal; background-color: transparent; border: 0; }
.main-content pre code:before, .main-content pre code:after, .main-content pre tt:before, .main-content pre tt:after { content: normal; }
.main-content ul, .main-content ol { margin-top: 0; }
.main-content blockquote { padding: 0 1rem; margin-left: 0; color: #819198; border-left: 0.3rem solid #dce6f0; }
.main-content blockquote > :first-child { margin-top: 0; }
.main-content blockquote > :last-child { margin-bottom: 0; }
.main-content table { display: block; width: 150%; overflow: auto; word-break: normal; word-break: keep-all; -webkit-overflow-scrolling: touch; }
.main-content table th { font-weight: bold; }
.main-content table th, .main-content table td { padding: 0.5rem 1rem; border: 1px solid #e9ebec; }
.main-content dl { padding: 0; }
.main-content dl dt { padding: 0; margin-top: 1rem; font-size: 1rem; font-weight: bold; }
.main-content dl dd { padding: 0; margin-bottom: 1rem; }
.main-content hr { height: 2px; padding: 0; margin: 1rem 0; background-color: #eff0f1; border: 0; }

.site-footer { padding-top: 2rem; margin-top: 2rem; border-top: solid 1px #eff0f1; }
@media screen and (min-width: 64em) { .site-footer { font-size: 1rem; } }
@media screen and (min-width: 42em) and (max-width: 64em) { .site-footer { font-size: 1rem; } }
@media screen and (max-width: 42em) { .site-footer { font-size: 0.9rem; } }

.site-footer-owner { display: block; font-weight: bold; }

.site-footer-credits { color: #819198; }
