/* ****************************************************************************
 * CSS variables
 * https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties
 *****************************************************************************/
:root {
  --link-background-color: #b8bbbd;
  --link-hover-color: #0088cc;
  --comment-background-color: #fafafb;
  --comment-text-color: #181818;
  --border-color: #f1f1f1;
  --text-color: #333;
  --button-padding: 0.25em;
}


/*!
 * Bootstrap v4.3.1 (https://getbootstrap.com/)
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */

/* ****************************************************************************
 * select styles from bootstrap-reboot.css
 *****************************************************************************/
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
  line-height: 1.15;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

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

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}


/* ****************************************************************************
 * select styles from bootstrap-grid.css
 *****************************************************************************/
html {
  box-sizing: border-box;
  -ms-overflow-style: scrollbar;
}

.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

.row {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}


.col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-10, .col-11, .col-12, .col, .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12, .col-md,
.col-md-auto {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

.col {
  -ms-flex-preferred-size: 0;
  flex-basis: 0;
  -ms-flex-positive: 1;
  flex-grow: 1;
  max-width: 100%;
}

.col-1 {
  -ms-flex: 0 0 8.333333%;
  flex: 0 0 8.333333%;
  max-width: 8.333333%;
}

.col-2 {
  -ms-flex: 0 0 16.666667%;
  flex: 0 0 16.666667%;
  max-width: 16.666667%;
}

.col-3 {
  -ms-flex: 0 0 25%;
  flex: 0 0 25%;
  max-width: 25%;
}

.col-4 {
  -ms-flex: 0 0 33.333333%;
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.col-5 {
  -ms-flex: 0 0 41.666667%;
  flex: 0 0 41.666667%;
  max-width: 41.666667%;
}

.col-6 {
  -ms-flex: 0 0 50%;
  flex: 0 0 50%;
  max-width: 50%;
}

.col-7 {
  -ms-flex: 0 0 58.333333%;
  flex: 0 0 58.333333%;
  max-width: 58.333333%;
}

.col-8 {
  -ms-flex: 0 0 66.666667%;
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.col-9 {
  -ms-flex: 0 0 75%;
  flex: 0 0 75%;
  max-width: 75%;
}

.col-10 {
  -ms-flex: 0 0 83.333333%;
  flex: 0 0 83.333333%;
  max-width: 83.333333%;
}

.col-11 {
  -ms-flex: 0 0 91.666667%;
  flex: 0 0 91.666667%;
  max-width: 91.666667%;
}

.col-12 {
  -ms-flex: 0 0 100%;
  flex: 0 0 100%;
  max-width: 100%;
}

@media (min-width: 768px) {
  .col-md {
    -ms-flex-preferred-size: 0;
    flex-basis: 0;
    -ms-flex-positive: 1;
    flex-grow: 1;
    max-width: 100%;
  }
  .col-md-auto {
    -ms-flex: 0 0 auto;
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
  }
  .col-md-1 {
    -ms-flex: 0 0 8.333333%;
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }
  .col-md-2 {
    -ms-flex: 0 0 16.666667%;
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }
  .col-md-3 {
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
  }
  .col-md-4 {
    -ms-flex: 0 0 33.333333%;
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  .col-md-5 {
    -ms-flex: 0 0 41.666667%;
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }
  .col-md-6 {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
  .col-md-7 {
    -ms-flex: 0 0 58.333333%;
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }
  .col-md-8 {
    -ms-flex: 0 0 66.666667%;
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }
  .col-md-9 {
    -ms-flex: 0 0 75%;
    flex: 0 0 75%;
    max-width: 75%;
  }
  .col-md-10 {
    -ms-flex: 0 0 83.333333%;
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }
  .col-md-11 {
    -ms-flex: 0 0 91.666667%;
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }
  .col-md-12 {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
  }
  .order-md-first {
    -ms-flex-order: -1;
    order: -1;
  }
  .order-md-last {
    -ms-flex-order: 13;
    order: 13;
  }
  .order-md-0 {
    -ms-flex-order: 0;
    order: 0;
  }
  .order-md-1 {
    -ms-flex-order: 1;
    order: 1;
  }
  .order-md-2 {
    -ms-flex-order: 2;
    order: 2;
  }
  .order-md-3 {
    -ms-flex-order: 3;
    order: 3;
  }
  .order-md-4 {
    -ms-flex-order: 4;
    order: 4;
  }
  .order-md-5 {
    -ms-flex-order: 5;
    order: 5;
  }
  .order-md-6 {
    -ms-flex-order: 6;
    order: 6;
  }
  .order-md-7 {
    -ms-flex-order: 7;
    order: 7;
  }
  .order-md-8 {
    -ms-flex-order: 8;
    order: 8;
  }
  .order-md-9 {
    -ms-flex-order: 9;
    order: 9;
  }
  .order-md-10 {
    -ms-flex-order: 10;
    order: 10;
  }
  .order-md-11 {
    -ms-flex-order: 11;
    order: 11;
  }
  .order-md-12 {
    -ms-flex-order: 12;
    order: 12;
  }
  .offset-md-0 {
    margin-left: 0;
  }
  .offset-md-1 {
    margin-left: 8.333333%;
  }
  .offset-md-2 {
    margin-left: 16.666667%;
  }
  .offset-md-3 {
    margin-left: 25%;
  }
  .offset-md-4 {
    margin-left: 33.333333%;
  }
  .offset-md-5 {
    margin-left: 41.666667%;
  }
  .offset-md-6 {
    margin-left: 50%;
  }
  .offset-md-7 {
    margin-left: 58.333333%;
  }
  .offset-md-8 {
    margin-left: 66.666667%;
  }
  .offset-md-9 {
    margin-left: 75%;
  }
  .offset-md-10 {
    margin-left: 83.333333%;
  }
  .offset-md-11 {
    margin-left: 91.666667%;
  }
}

.justify-content-start {
  -ms-flex-pack: start;
  justify-content: flex-start;
}

.justify-content-end {
  -ms-flex-pack: end;
  justify-content: flex-end;
}

.justify-content-center {
  -ms-flex-pack: center;
  justify-content: center;
}

.justify-content-between {
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.justify-content-around {
  -ms-flex-pack: distribute;
  justify-content: space-around;
}


/*
 * custom css starts here
 */

/* ****************************************************************************
 * defaults
 *****************************************************************************/
body {
  font-family: "Georgia", serif;
  font-size: 1.15em;
  letter-spacing: 1px;
  line-height: 160%;
  font-style: normal;
  text-rendering: optimizelegibility;
  color: var(--text-color);
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

a:focus, a:hover {
  color: var(--link-hover-color);
  text-decoration: underline;
}

a {
  color: var(--text-color);
  text-decoration: underline;
}

p {
    padding: 5px 0 5px 0;
    margin-top: 0;
    margin-bottom: 1rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Arial", "Helvetica";
    padding-bottom: 5px;
    letter-spacing: -1px;
    line-height: 1.1;
}

h1 a, h1 a:focus, h1 a:hover {
  color: var(--text-color);
  text-decoration:none;
}

h1 {
  /* https://stackoverflow.com/questions/14431411/ */
  font-size: calc(100% + 3.0vw);
}

h2 {
  font-size: calc(100% + 1.3vw);
}

h3 {
  font-size: calc(100% + 1.1vw);
}

h4 {
  font-size: calc(100% + 1.0vw);
}

h5 {
  font-size: calc(100% + 0.85vw);
}

h6 {
  font-size: calc(100% + 0.75vw);
}

li {
  margin-bottom: 15px;
}

ul, ol {
  margin-bottom: 50px;
}

table, th, td {
  width: 100%;
  table-layout: fixed;
  padding: 10px;
}

table {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 25px;
}

thead {
  background-color: var(--comment-background-color);
}

tr:nth-child(even) {
  background-color: var(--comment-background-color);
}

th {
  font-family: "Arial", "Helvetica";
}

pre {
  margin: 15px 0 25px 0;
  padding: 15px 25px 15px 25px;
  color: var(--comment-text-color);
  background-color: var(--comment-background-color);
  border: 1px solid var(--border-color);
  border-radius: 0px;
  white-space: pre-wrap;
}

blockquote {
  padding: 0 25px 0 25px;
  margin: 15px 0 25px 0;
  border-left: 1px solid var(--border-color);
  color: var(--comment-text-color);
  background-color: var(--comment-background-color);
}

img {
  height: auto;
  max-width: 100%;
  border: 1px solid var(--border-color);
  display: block;
  margin: 0 auto;
}

figure {
  font-family: "Arial", "Helvetica";
  font-size: 80%;
  text-align: center;
  margin: 50px 0 10px 0;
}
figcaption {
  color: var(--link-background-color);
}


/* ****************************************************************************
 * Header specific
 *****************************************************************************/
#header {
  padding-top: 25px;
}

#header h1 {
  border: 0;
  padding: 5px 0 5px 0;
  margin: 0;
  text-align: center;
  font-size: 1.5em;
  font-weight: bold;
}

/*#header a {
  color: var(--link-background-color);
  text-decoration: none;
}

#header a:focus, #header a:hover {
  color: var(--text-color);
}*/

#header p {
  margin: 0;
}

.navigation a {
  color: var(--link-background-color);
  text-decoration: none;
}

.navigation a:focus, #header a:hover {
  color: var(--text-color);
}

.go-back {
  text-align: right;
}
.go-forward {
  text-align: left;
}


/* ****************************************************************************
 * Body specific
 *****************************************************************************/
article {
  margin-top: 100px;
  padding-bottom: 50px;
}

article h1 {
  font-weight: bold;
}

article h2, article h3 {
  margin-top: 50px;
}

article h4, article h5, article h6 {
  margin-top: 25px;
}

article p a {
  text-decoration: underline;
}

hr {
  margin: 25px 0 25px 0;
  color: #fbe8e7;
}

/* handles centering Twitter js widget */
twitterwidget {
  margin: auto;
}

/* handles centering Instagram js widget */
.instagram-media {
  margin: 0 auto !important; 
}

.hljs {
  padding: 0;
  background: none;
}

time {
  font-family: "Arial", "Helvetica";
  color: var(--link-background-color);
}

.admonition {
  margin: 10px 0 10px 0;
  padding: 10px;
}

.admonition p {
  margin: 0;
}

.admonition-title {
  display: none;
}

.error {
  border: 1px solid #fbe8e7;
  background-color: #fdf5f5;
}

.error p {
  color: #645c5c;
}

.notice {
  border: 1px solid #f3efa0;
  background-color: #faf8d9;
}

.notice p {
  color: #615f40;
}

.info {
  border: 1px solid #dbe7ec;
  background-color: #eaf1f4;
}

.info p {
  color: #575c5e;
}

.success {
  border: 1px solid #cfebcf;
  background-color: #f3faf3;
}

.success p {
  color: #525e52;
}

.toc {
  border: 1px solid var(--border-color);
  margin-bottom: 50px;
  padding: 15px 0 15px 0;
}

.toc li, .toc ol {
  margin: 0;
  padding: 0;
}

.toc ul {
  list-style-type: none;
  margin: 0;
  padding-left: 25px;
}

.littlefoot-footnote__button {
  background-color: var(--link-background-color);
}

.littlefoot-footnote__button__ellipsis {
    padding: 0.25em;
}

.littlefoot-footnote__button:hover,
.littlefoot-footnote__button:focus,
.littlefoot-footnote__button:active,
.littlefoot-footnote__button.is-active {
  background-color: var(--link-hover-color);
}

#breadcrumbs {
  margin: 75px 0 0 0;
}

#breadcrumbs table {
  border-top: 0;
  border-bottom: 0;
}


/* ****************************************************************************
 * About specific
 *****************************************************************************/
#header-about {
  margin: 75px 0 0 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--comment-background-color);
}

#about {
  font-family: "Arial", "Helvetica";
  font-size: 0.85em;
  padding: 25px 0 25px 0;
  color: var(--comment-text-color);
}

#about ul, #about li {
  list-style-type: none;
  padding: 0;
  margin: 0;
  display: inline;
}

#about img {
  width: 170px;
  padding: 10px 0 0 0;
  border: 0;
}

#about .icon {
  fill: var(--text-color);
  vertical-align: middle;
  width: 30px;
  height: 30px;
}

#about .icon:hover {
  fill: var(--link-hover-color);
}


/* ****************************************************************************
 * Footer specific
 *****************************************************************************/
#footer {
  margin: 75px 0 0 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--comment-background-color);
}

.tout p {
  text-align: center;
  font-size: 0.8em;
  padding: 50px 0 25px 0;
}