:root {
  --lightgray: #e0e0e0;
  --gray: #c0c0c0;
  --darkgray: #333;
  --blue: #4484f7;
  --blue-dark: #3d79e4;
  --white: #fff;

  --color-mode: "light";
  --color-dark: #141414;
  --color-dark-alpha: rgba(0, 0, 0, 0.1);
  --color-light: #efefef;
  --color-light-alpha: rgba(255, 255, 255, 0.9);
  --color-primary: var(--blue-dark);

  --background: var(--white);
  --text-color: #141414;
  --header-background: #f2f2f2;
  --code-background: #f2f2f2;
  --button-background: var(--color-dark);
  --button-color: var(--color-light);
  --border-color: var(--color-dark-alpha);
  --section-border-color: var(--lightgray);
  --headings: var(--text-color);
  --footer-background-color: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-mode: "dark";
    --color-primary: var(--blue-dark);
    --background: #111;
    --background: #161617;
    --background: #19191b;
    --text-color: #d6d6de;
    --text-color: #b5b5bb;
    --text-color: #efefef;
    --header-background: #222;
    --code-background: #282c34;
    --code-background: #262a31;
    --button-background: var(--color-light);
    --button-color: var(--color-dark);
    --border-color: var(--color-light-alpha);
    --section-border-color: #333333;
    --headings: var(--white);
    --footer-background-color: #1d1d1d;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  background-color: var(--background);
  color: var(--text-color);
  font-family: system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--headings);
  font-weight: 600;
}

h1#-head,
h1#-head + blockquote,
h1#-head + blockquote + p {
  display: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all 0.2s ease-in-out;
}
a:hover,
a:focus {
  text-decoration: underline;
}

img {
  height: auto;
  max-width: 100%;
  vertical-align: middle;
}

ul {
  list-style: none;
  padding-left: 0;
}
ul.list-style-default {
  list-style: inherit;
  padding-left: 20px;
}
ul ul {
  padding-left: 20px;
}

blockquote {
  border-left: 3px solid var(--darkgray);
  font-style: italic;
  margin-left: 0;
  padding-left: 1em;
}

.container {
  margin: 0 auto;
  max-width: 800px;
  padding: 8px 16px;
}

.announcement {
  background-color: #000;
  color: #fff;
  padding: 1em;
  text-align: center;
}
.announcement a {
  border: none;
  color: #fff;
  padding: 0.8em 0;
  text-decoration: none;
  white-space: nowrap;
}
.announcement a:not(:first-child) {
  margin-left: 0.8em;
}
.announcement a:hover {
  color: var(--color-primary);
}

.site__header {
  background-color: var(--header-background);
  padding: 60px 0;
  position: relative;
}
.site__header h1,
.site__header h2,
.site__header h3,
.site__header h4,
.site__header h5,
.site__header h6 {
  margin-top: 0;
}

.site__title {
  font-size: 40px;
  text-align: center;
}
.site__title > span:last-child {
  color: #acacac;
}
@media (min-width: 700px) {
  .site__title {
    font-size: 72px;
    text-align: left;
  }
}

.header-content {
  text-align: center;
}
@media (min-width: 700px) {
  .header-content {
    text-align: left;
  }
}
.header-link p {
  background-color: var(--background);
  border-radius: 8px;
  display: inline-block;
  padding: 1em;
}

/* GitHub link */
.github {
  height: 80px;
  width: 80px;
  position: absolute;
  right: 0;
  top: 0;
  transform: translateZ(0);
  z-index: 1;
}
.github__arm {
  transform-origin: 130px 106px;
}
@media (min-width: 320px) {
  .github:hover .github__arm {
    animation: octocat-wave 560ms ease-in-out;
  }
}
a.github,
a.github:hover,
a.github:focus {
  border-bottom: none;
}
@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}
/* END GitHub link */

.site__main {
  margin: auto;
  max-width: 800px;
}

/* .site__main p:first-of-type {
  font-size: 1.5em;
}
.site__main p:first-of-type a {
  border: none;
} */

/* .site__main p:nth-of-type(1) {
  display: none;
} */

p code {
  background-color: var(--code-background);
  /* background-color: #1e2127; */
  /* background-color: #262a31; */
  border-radius: 0.2em;
  padding: 0.15em 0.25em;
}

.highlight,
pre,
code {
  border-radius: 8px;
}

pre {
  overflow-x: auto;
  word-wrap: normal;
  white-space: pre;
  background-color: #f5f5f5;

  padding: 16px;
  font-size: 90%;
  line-height: 1.45;
}

code {
  /* border-radius: 0; */
  padding: 0.2em 0;
}

.highlight {
  margin-left: 0;
  margin-right: 0;
  /* border-radius: 0; */
}

/* select all... then select some */
/* https://codersblock.com/blog/using-css-to-control-text-selection/#select-all-then-select-some */
/* pre > code {
  -webkit-user-select: all;
  user-select: all;
}
pre > code:focus {
  animation: select 100ms step-end forwards;
}
@keyframes select {
  to {
    -webkit-user-select: text;
    user-select: text;
  }
} */

/* #facebook.pluginButton {
  transform: scale(3.5);
  -ms-transform: scale(3.5);
  -webkit-transform: scale(3.5);
  -o-transform: scale(3.5);
  -moz-transform: scale(3.5);
  transform-origin: top left;
  -ms-transform-origin: top left;
  -webkit-transform-origin: top left;
  -moz-transform-origin: top left;
  -webkit-transform-origin: top left;
}
.pluginButtonIconSVG {
  height: 28px;
  width: 28px;
}
.plugin,
.plugin button,
.plugin input,
.plugin label,
.plugin select,
.plugin td,
.plugin textarea {
  font-size: 22px;
} */

/* Code */
/* .highlight .hll { background-color: #ffc; 
.highlight .c { color: #999; }
.highlight .err { color: #a00; background-color: #faa }
.highlight .k { color: #069; }
.highlight .o { color: #555 }
.highlight .cm { color: #09f; font-style: italic }
.highlight .cp { color: #099 }
.highlight .c1 { color: #999; }
.highlight .cs { color: #999; }
.highlight .gd { background-color: #fcc; border: 1px solid #c00 }
.highlight .ge { font-style: italic }
.highlight .gr { color: #f00 }
.highlight .gh { color: #030; }
.highlight .gi { background-color: #cfc; border: 1px solid #0c0 }
.highlight .go { color: #aaa }
.highlight .gp { color: #009; }
.highlight .gs { }
.highlight .gu { color: #030; }
.highlight .gt { color: #9c6 }
.highlight .kc { color: #069; }
.highlight .kd { color: #069; }
.highlight .kn { color: #069; }
.highlight .kp { color: #069 }
.highlight .kr { color: #069; }
.highlight .kt { color: #078; }
.highlight .m { color: #f60 }
.highlight .s { color: #d44950 }
.highlight .na { color: #4f9fcf }
.highlight .nb { color: #366 }
.highlight .nc { color: #0a8; }
.highlight .no { color: #360 }
.highlight .nd { color: #99f }
.highlight .ni { color: #999; }
.highlight .ne { color: #c00; }
.highlight .nf { color: #c0f }
.highlight .nl { color: #99f }
.highlight .nn { color: #0cf; }
.highlight .nt { color: #2f6f9f; }
.highlight .nv { color: #033 }
.highlight .ow { color: #000; }
.highlight .w { color: #bbb }
.highlight .mf { color: #f60 }
.highlight .mh { color: #f60 }
.highlight .mi { color: #f60 }
.highlight .mo { color: #f60 }
.highlight .sb { color: #c30 }
.highlight .sc { color: #c30 }
.highlight .sd { color: #c30; font-style: italic }
.highlight .s2 { color: #c30 }
.highlight .se { color: #c30; }
.highlight .sh { color: #c30 }
.highlight .si { color: #a00 }
.highlight .sx { color: #c30 }
.highlight .sr { color: #3aa }
.highlight .s1 { color: #c30 }
.highlight .ss { color: #fc3 }
.highlight .bp { color: #366 }
.highlight .vc { color: #033 }
.highlight .vg { color: #033 }
.highlight .vi { color: #033 }
.highlight .il { color: #f60 } */

/* .css .o,
.css .o + .nt,
.css .nt + .nt { color: #999; } */

/*
  Darkly Pygments Theme
  (c) 2014 Sourcey
  http://sourcey.com
*/

/* .highlight {
  white-space: pre;
  overflow: auto;
  word-wrap: normal;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
  border-radius: 3px;
  padding: 20px;
  background: #343642;
  color: #C1C2C3;
}
.highlight .hll { background-color: #ffc; }
.highlight .gd { color: #2e3436; background-color: #0e1416; }
.highlight .gr { color: #eeeeec; background-color: #c00; }
.highlight .gi { color: #babdb6; background-color: #1f2b2d; }
.highlight .go { color: #2c3032; background-color: #2c3032; }
.highlight .kt { color: #e3e7df; }
.highlight .ni { color: #888a85; }
.highlight .c,.highlight .cm,.highlight .c1,.highlight .cs { color: #8D9684; }
.highlight .err,.highlight .g,.highlight .l,.highlight .n,.highlight .x,.highlight .p,.highlight .ge,
.highlight .gp,.highlight .gs,.highlight .gt,.highlight .ld,.highlight .s,.highlight .nc,.highlight .nd,
.highlight .ne,.highlight .nl,.highlight .nn,.highlight .nx,.highlight .py,.highlight .ow,.highlight .w,.highlight .sb,
.highlight .sc,.highlight .sd,.highlight .s2,.highlight .se,.highlight .sh,.highlight .si,.highlight .sx,.highlight .sr,
.highlight .s1,.highlight .ss,.highlight .bp { color: #C1C2C3; }
.highlight .k,.highlight .kc,.highlight .kd,.highlight .kn,.highlight .kp,.highlight .kr,
.highlight .nt { color: #729fcf; }
.highlight .cp,.highlight .gh,.highlight .gu,.highlight .na,.highlight .nf { color: #E9A94B ; }
.highlight .m,.highlight .nb,.highlight .no,.highlight .mf,.highlight .mh,.highlight .mi,.highlight .mo,
.highlight .il { color: #8ae234; }
.highlight .o { color: #989DAA; }
.highlight .nv,.highlight .vc,.highlight .vg,.highlight .vi { color: #fff; } */

/* code syntax theme background color is too light */
.highlight,
pre.highlight,
.highlight pre,
.highlight .hll {
  background: #1e2127 !important;
}

/*
  One Dark Syntax Pygments Theme
  https://github.com/mgyongyosi/OneDarkJekyll
*/

.highlight,
pre.highlight {
  background: #282c34;
  color: #abb2bf;
}

.highlight pre {
  background: #282c34;
}

.highlight .hll {
  background: #282c34;
}

.highlight .c {
  color: #5c6370;
  font-style: italic;
}

.highlight .err {
  color: #960050;
  background-color: #1e0010;
}

.highlight .k {
  color: #c678dd;
}

.highlight .l {
  color: #98c379;
}

.highlight .n {
  color: #abb2bf;
}

.highlight .o {
  color: #abb2bf;
}

.highlight .p {
  color: #abb2bf;
}

.highlight .cm {
  color: #5c6370;
  font-style: italic;
}

.highlight .cp {
  color: #5c6370;
  font-style: italic;
}

.highlight .c1 {
  color: #5c6370;
  font-style: italic;
}

.highlight .cs {
  color: #5c6370;
  font-style: italic;
}

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

.highlight .gs {
  font-weight: 700;
}

.highlight .kc {
  color: #c678dd;
}

.highlight .kd {
  color: #c678dd;
}

.highlight .kn {
  color: #c678dd;
}

.highlight .kp {
  color: #c678dd;
}

.highlight .kr {
  color: #c678dd;
}

.highlight .kt {
  color: #c678dd;
}

.highlight .ld {
  color: #98c379;
}

.highlight .m {
  color: #d19a66;
}

.highlight .s {
  color: #98c379;
}

.highlight .na {
  color: #d19a66;
}

.highlight .nb {
  color: #e5c07b;
}

.highlight .nc {
  color: #e5c07b;
}

.highlight .no {
  color: #e5c07b;
}

.highlight .nd {
  color: #e5c07b;
}

.highlight .ni {
  color: #e5c07b;
}

.highlight .ne {
  color: #e5c07b;
}

.highlight .nf {
  color: #abb2bf;
}

.highlight .nl {
  color: #e5c07b;
}

.highlight .nn {
  color: #abb2bf;
}

.highlight .nx {
  color: #abb2bf;
}

.highlight .py {
  color: #e5c07b;
}

.highlight .nt {
  color: #e06c75;
}

.highlight .nv {
  color: #e5c07b;
}

.highlight .ow {
  font-weight: 700;
}

.highlight .w {
  color: #f8f8f2;
}

.highlight .mf {
  color: #d19a66;
}

.highlight .mh {
  color: #d19a66;
}

.highlight .mi {
  color: #d19a66;
}

.highlight .mo {
  color: #d19a66;
}

.highlight .sb {
  color: #98c379;
}

.highlight .sc {
  color: #98c379;
}

.highlight .sd {
  color: #98c379;
}

.highlight .s2 {
  color: #98c379;
}

.highlight .se {
  color: #98c379;
}

.highlight .sh {
  color: #98c379;
}

.highlight .si {
  color: #98c379;
}

.highlight .sx {
  color: #98c379;
}

.highlight .sr {
  color: #56b6c2;
}

.highlight .s1 {
  color: #98c379;
}

.highlight .ss {
  color: #56b6c2;
}

.highlight .bp {
  color: #e5c07b;
}

.highlight .vc {
  color: #e5c07b;
}

.highlight .vg {
  color: #e5c07b;
}

.highlight .vi {
  color: #e06c75;
}

.highlight .il {
  color: #d19a66;
}

.highlight .gu {
  color: #75715e;
}

.highlight .gd {
  color: #f92672;
}

.highlight .gi {
  color: #a6e22e;
}