/*!
 *  __  __                __                                     __
 * /\ \/\ \              /\ \             __                    /\ \
 * \ \ \_\ \   __  __    \_\ \      __   /\_\      __       ___ \ \ \/'\
 *  \ \  _  \ /\ \/\ \   /'_` \   /'__`\ \/\ \   /'__`\    /'___\\ \ , <
 *   \ \ \ \ \\ \ \_\ \ /\ \L\ \ /\  __/  \ \ \ /\ \L\.\_ /\ \__/ \ \ \\`\
 *    \ \_\ \_\\/`____ \\ \___,_\\ \____\ _\ \ \\ \__/.\_\\ \____\ \ \_\ \_\
 *     \/_/\/_/ `/___/> \\/__,_ / \/____//\ \_\ \\/__/\/_/ \/____/  \/_/\/_/
 *                 /\___/                \ \____/
 *                 \/__/                  \/___/
 *
 * Powered by Hydejack v6.6.1 <https://qwtel.com/hydejack/>
 */
* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

@media print { a::after { content: " (" attr(href) ") "; font-size: smaller; } }

h1 + h2, .h1 + .h2, h1 + .h2, .h1 + h2, h2 + h3, .h2 + .h3, h2 + .h3, .h2 + h3, h3 + h4, .h3 + .h4, h3 + .h4, .h3 + h4, h4 + h5, .h4 + .h5, h4 + .h5, .h4 + h5, h5 + h6, .h5 + .h6, h5 + .h6, .h5 + h6 { margin-top: 0; }

dt { font-weight: bold; }

dd { margin-bottom: .5rem; }

abbr { font-size: 85%; font-weight: bold; color: #555; text-transform: uppercase; }

abbr[title] { cursor: help; border-bottom: 1px dotted #e5e5e5; }

blockquote { padding: .5rem 1rem; margin: .8rem 0; color: #7a7a7a; border-left: 0.25rem solid #e5e5e5; }

blockquote.lead { font-size: 1.25rem; font-weight: 300; margin-top: 1.5rem; margin-bottom: 1.5rem; border-left-width: 0.4rem; }

blockquote p:last-child { margin-bottom: 0; }

.faded, .read-more { color: #9a9a9a; }

.read-more { margin-top: 2rem; }

.read-more::after { content: " \2192"; }

table.scroll-table { display: block; vertical-align: top; overflow-x: auto; white-space: nowrap; border: none; -webkit-overflow-scrolling: touch; }

table.flip-table { display: flex; overflow: hidden; background: none; border: none; border-top: 1px solid #e5e5e5; border-bottom: 1px solid #e5e5e5; }

table.flip-table thead { display: flex; flex-shrink: 0; min-width: min-content; margin-right: 1px; }

table.flip-table thead th { padding-left: 1rem; }

table.flip-table tbody { display: flex; position: relative; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; border-top: none; }

table.flip-table tr { display: flex; flex-direction: column; min-width: min-content; flex-shrink: 0; }

table.flip-table tr td { border-left: none; }

table.flip-table tr:first-child td { border-left: 1px solid #e5e5e5; }

table.flip-table tr:last-child td { padding-right: 1rem; border-right: 1px solid #e5e5e5; }

table.flip-table td, table.flip-table th { display: block; border-bottom: none; }

table.flip-table td:first-child, table.flip-table th:first-child { padding-left: .5rem; border-top: none; }

table.flip-table td:last-child, table.flip-table th:last-child { padding-right: .5rem; }

@media screen and (max-width: 72em) { table.scroll-table-small { display: block; vertical-align: top; overflow-x: auto; white-space: nowrap; border: none; -webkit-overflow-scrolling: touch; } table.flip-table-small { display: flex; overflow: hidden; background: none; border: none; border-top: 1px solid #e5e5e5; border-bottom: 1px solid #e5e5e5; } table.flip-table-small thead { display: flex; flex-shrink: 0; min-width: min-content; margin-right: 1px; } table.flip-table-small thead th { padding-left: 1rem; } table.flip-table-small tbody { display: flex; position: relative; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; border-top: none; } table.flip-table-small tr { display: flex; flex-direction: column; min-width: min-content; flex-shrink: 0; } table.flip-table-small tr td { border-left: none; } table.flip-table-small tr:first-child td { border-left: 1px solid #e5e5e5; } table.flip-table-small tr:last-child td { padding-right: 1rem; border-right: 1px solid #e5e5e5; } table.flip-table-small td, table.flip-table-small th { display: block; border-bottom: none; } table.flip-table-small td:first-child, table.flip-table-small th:first-child { padding-left: .5rem; border-top: none; } table.flip-table-small td:last-child, table.flip-table-small th:last-child { padding-right: .5rem; } }

a[href^="#fn:"], a[href^="#fnref:"] { margin-left: .1rem; font-weight: bold; }

sup { line-height: 1; }

.footnotes { margin-top: 3rem; }

.footnotes > ol { color: #7a7a7a; }

.footnotes::before { content: ""; display: block; margin: 1.5rem 0; border: 0; border-top: 1px solid #eee; border-bottom: 1px solid #fff; }

code, pre { font-family: Menlo, Monaco, Consolas, monospace; }

code { padding: .25em .5em; font-size: .85em; background-color: rgba(0, 0, 0, 0.03); }

pre { margin-top: 0; margin-bottom: 1rem; display: block; line-height: 1.1; /* Prevent code linebreaks and allow side-scrolling (much better readability on mobile) */ overflow-x: auto; -webkit-overflow-scrolling: touch; /* Make code same width as regular text, and scroll the full page width on mobile */ margin-left: -1rem; margin-right: -1rem; padding: 1rem; background-color: #f9f9f9; backface-visibility: hidden; }

pre code { padding: 0; color: inherit; background-color: transparent; }

figure, .figure { margin-left: 0; margin-right: 0; }

figure > *:first-child, .figure > *:first-child { padding: 1rem; background-color: rgba(0, 0, 0, 0.05); }

figure > figcaption, figure > .figcaption, .figure > figcaption, .figure > .figcaption { font-size: smaller; color: #9a9a9a; text-align: center; font-style: italic; margin-top: 0.5rem; padding: 0 1rem; }

.highlight { margin-bottom: 1rem; }

hr.dingbat { border: 0; }

hr.dingbat::after { content: "\2756"; display: block; text-align: center; font-size: 1.5rem; color: #ddd; }

.pagination { margin: 0 -1.5rem 1rem; color: #ccc; text-align: center; margin-left: -1rem; margin-right: -1rem; }

.pagination > ul { list-style: none; padding: 0; }

.pagination-item > * { display: block; padding: .25rem 1rem; border: solid #eee; border-width: 1px 0; }

.pagination-item > a, .pagination-item > a:hover, .pagination-item > a:focus { border-color: #eee !important; }

.pagination-item:first-child > * { margin-bottom: -1px; }

.pagination-item > a:hover, .pagination-item a:focus { background-color: #f5f5f5; border-bottom: 1px solid #eee; }

@media (min-width: 23.5em) { .pagination { margin: 3rem 0; } .pagination-item > * { float: left; width: 50%; border-width: 1px; } .pagination-item:first-child > * { margin-bottom: 0; border-top-left-radius: 0.25rem; border-bottom-left-radius: 0.25rem; } .pagination-item:last-child > * { margin-left: -1px; border-top-right-radius: 0.25rem; border-bottom-right-radius: 0.25rem; } }

/* Global resets Update the foundational and global aspects of the page. */
body, main { /* Prevent side-scrolling on mobile */ -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }

@media print { html { font-size: 16px; } }

.sr-only { display: unset; position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }

a, .a { transition: color 500ms, border-color 250ms; }

a:hover, a:focus, .a:hover, .a:focus { text-decoration: none; transition: color 500ms, border-color 50ms; }

a.no-hover, .a.no-hover { border-bottom: none; padding-bottom: none; transition: none; }

a.no-hover:hover, a.no-hover:focus, .a.no-hover:hover, .a.no-hover:focus { transition: none; }

.img { background-position: center; background-repeat: no-repeat; background-image: url("data:image/svg+xml;base64,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"); }

.img > img { object-fit: cover; object-position: center; }

.author { margin-top: 3rem; }

.sidebar { /* Sidebar links */ }

.sidebar::before { /* make sidebar slightly darker to increase text readability (when using a background image) */ /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#202020+0,202020+100&0+0,0.5+100 */ background: -moz-linear-gradient(top, rgba(32, 32, 32, 0) 0%, rgba(32, 32, 32, 0.5) 100%); /* FF3.6-15 */ background: -webkit-linear-gradient(top, rgba(32, 32, 32, 0) 0%, rgba(32, 32, 32, 0.5) 100%); /* Chrome10-25,Safari5.1-6 */ background: linear-gradient(to bottom, rgba(32, 32, 32, 0) 0%, rgba(32, 32, 32, 0.5) 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */ filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00202020', endColorstr='#80202020',GradientType=0 ); /* IE6-9 */ }

.sidebar a:hover, .sidebar a:focus { border-bottom-color: #fff; }

@media print { .sidebar { page-break-inside: avoid; } .sidebar-nav, .sidebar-social { display: none; } }

@media screen { header, body::before { backface-visibility: hidden; } }

.sidebar-social > ul > li > a::after { display: none; }

article .katex-display, article div.MathJax_Preview { /* Prevent code linebreaks and allow side-scrolling (much better readability on mobile) */ overflow-x: auto; -webkit-overflow-scrolling: touch; margin-left: -1rem; margin-right: -1rem; padding: 1rem; background-color: #f9f9f9; backface-visibility: hidden; }

article div.MathJax_Preview { font-family: Menlo, Monaco, Consolas, monospace; font-size: .75em; line-height: 1.45; white-space: pre; margin-bottom: 1rem; }

article span.MathJax_Preview { font-family: Menlo, Monaco, Consolas, monospace; padding: .25em .5em; font-size: .85em; background-color: rgba(0, 0, 0, 0.03); }

.MathJax_Preview:empty { display: none; visibility: hidden; }

/* GitHub style for Pygments syntax highlighter, for use with Jekyll Courtesy of GitHub.com */
.highlight .c { color: #999988; font-style: italic; }

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

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

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

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

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

.highlight .ge { font-style: italic; }

.highlight .gr { color: #aa0000; }

.highlight .gh { color: #999999; }

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

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

.highlight .go { color: #888888; }

.highlight .gp { color: #555555; }

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

.highlight .gu { color: #800080; font-weight: bold; }

.highlight .gt { color: #aa0000; }

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

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

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

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

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

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

.highlight .m { color: #009999; }

.highlight .s { color: #dd1144; }

.highlight .n { color: #333333; }

.highlight .na { color: teal; }

.highlight .nb { color: #0086b3; }

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

.highlight .no { color: teal; }

.highlight .ni { color: purple; }

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

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

.highlight .nn { color: #555555; }

.highlight .nt { color: navy; }

.highlight .nv { color: teal; }

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

.highlight .w { color: #bbbbbb; }

.highlight .mf { color: #009999; }

.highlight .mh { color: #009999; }

.highlight .mi { color: #009999; }

.highlight .mo { color: #009999; }

.highlight .sb { color: #dd1144; }

.highlight .sc { color: #dd1144; }

.highlight .sd { color: #dd1144; }

.highlight .s2 { color: #dd1144; }

.highlight .se { color: #dd1144; }

.highlight .sh { color: #dd1144; }

.highlight .si { color: #dd1144; }

.highlight .sx { color: #dd1144; }

.highlight .sr { color: #009926; }

.highlight .s1 { color: #dd1144; }

.highlight .ss { color: #990073; }

.highlight .bp { color: #999999; }

.highlight .vc { color: teal; }

.highlight .vg { color: teal; }

.highlight .vi { color: teal; }

.highlight .il { color: #009999; }

.highlight .gc { color: #999; background-color: #EAF2F5; }

.sk-folding-cube { margin: 20px auto; width: 40px; height: 40px; position: relative; -webkit-transform: rotateZ(45deg); transform: rotateZ(45deg); }

.sk-folding-cube .sk-cube { float: left; width: 50%; height: 50%; position: relative; -webkit-transform: scale(1.1); -ms-transform: scale(1.1); transform: scale(1.1); }

.sk-folding-cube .sk-cube:before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #9a9a9a; -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both; animation: sk-foldCubeAngle 2.4s infinite linear both; -webkit-transform-origin: 100% 100%; -ms-transform-origin: 100% 100%; transform-origin: 100% 100%; }

.sk-folding-cube .sk-cube2 { -webkit-transform: scale(1.1) rotateZ(90deg); transform: scale(1.1) rotateZ(90deg); }

.sk-folding-cube .sk-cube3 { -webkit-transform: scale(1.1) rotateZ(180deg); transform: scale(1.1) rotateZ(180deg); }

.sk-folding-cube .sk-cube4 { -webkit-transform: scale(1.1) rotateZ(270deg); transform: scale(1.1) rotateZ(270deg); }

.sk-folding-cube .sk-cube2:before { -webkit-animation-delay: 0.3s; animation-delay: 0.3s; }

.sk-folding-cube .sk-cube3:before { -webkit-animation-delay: 0.6s; animation-delay: 0.6s; }

.sk-folding-cube .sk-cube4:before { -webkit-animation-delay: 0.9s; animation-delay: 0.9s; }

@-webkit-keyframes sk-foldCubeAngle { 0%, 10% { -webkit-transform: perspective(140px) rotateX(-180deg);
    transform: perspective(140px) rotateX(-180deg);
    opacity: 0; }
  25%, 75% { -webkit-transform: perspective(140px) rotateX(0deg);
    transform: perspective(140px) rotateX(0deg);
    opacity: 1; }
  90%, 100% { -webkit-transform: perspective(140px) rotateY(180deg);
    transform: perspective(140px) rotateY(180deg);
    opacity: 0; } }

@keyframes sk-foldCubeAngle { 0%, 10% { -webkit-transform: perspective(140px) rotateX(-180deg);
    transform: perspective(140px) rotateX(-180deg);
    opacity: 0; }
  25%, 75% { -webkit-transform: perspective(140px) rotateX(0deg);
    transform: perspective(140px) rotateX(0deg);
    opacity: 1; }
  90%, 100% { -webkit-transform: perspective(140px) rotateY(180deg);
    transform: perspective(140px) rotateY(180deg);
    opacity: 0; } }

.wf-active { font-family: 'Noto Sans', Helvetica, Arial, sans-serif; }

.wf-active h1, .wf-active h2, .wf-active h3, .wf-active h4, .wf-active h5, .wf-active h6, .wf-active .h1, .wf-active .h2, .wf-active .h3, .wf-active .h4, .wf-active .h5, .wf-active .h6, .wf-active .heading { font-family: 'Roboto Slab', Helvetica, Arial, sans-serif; }

@media screen { a[href*="//"]::after, a.no-push-state::after { content: "\00A0\ea7e"; font-family: 'icomoon' !important; speak: none; font-style: normal; font-weight: normal; font-variant: normal; text-transform: none; line-height: 1; font-size: smaller; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; opacity: 0.5; } }