body{
  margin: 1rem auto 3rem auto;
  font-family: sans-serif;
}

/* Centered layout */
nav, article {
  margin: 0 auto;
}
@media screen and (min-width: 641px) {
  article, nav {
    width: 75%;
  }
}
@media screen and (min-width: 1200px) {
  article, nav {
    width: 50%;
  }
  article > div.col-container {
    width: auto;
  }
}

/** Two-col layout */
div.col-container{
  display: flex;
  flex-wrap: wrap;
  padding-left: 3rem;
}
div.col-toc {
  width: 15rem;
  padding-right: 0.5rem;
}
div.col-content {
  flex: 1;
  margin-right: 3rem;
  /* Default min-width of auto will bump down the whole section if there is a long url. */
  min-width: 200px;
}
div.col-content ul {
  margin-top: 0;
}
div.col-content p {
  margin-bottom: 0;
}
div.col-toc a {
  border-bottom: none;
}
div.col-toc ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  overflow: hidden;
  white-space: nowrap;
}
div.col-toc li.toc-level-2 {
  padding-left: 6px;
}
div.col-toc li.toc-level-3 {
  padding-left: 12px;
}

/** elements */
p {
  /*margin: 0 0 1.25em; messes up div vertical centering*/
  line-height: 1.5;
}
/*h1 {
  font-size: 1.5em;
  margin: 0.67em 0 0.33em;
}
h2{
  font-size: 1.313em;
  margin: 1em 0 0.5em;
}
h3{
  font-size: 1.125em;
  margin: 0 0 0.125em;
}*/
a {
  text-decoration: none;
}
a:hover, a:active{
  text-decoration: underline;
}
/*a{
  text-decoration: none;
	color: black;
	border-bottom: 0.069em solid #a9a9a0;
}*/
/*a:hover, a:active{
  color: #F90;
  border-bottom: 0.069em solid #F90;
}*/
p + ul {
  margin-top: -0.8em;
}

img{
  max-width: 100%;
  max-height: 100vh;
}
figure{
  display: table;
  margin: 0 auto;
}
iframe.video{
  margin: 1.25em auto;
  display: block;
}

blockquote {
  padding: 0 0 0 15px;
  margin: 0 0 18px;
  border-left: 5px solid #eee;
}
blockquote small {
  display: block;
  line-height: 18px;
  color: #999;
}
blockquote small::before {
  content: '\2014 \00A0';
}

.sidenote{
  margin: 1em 0;
  padding: 1px 1em;
  background-color: #F0DDC0;
}
.date{
  font-weight: bold;
}
div.center{
  text-align: center;
  margin-bottom: 50px;
}
#allen-zhu{
  margin: 2em auto 0em;
}

/* Code formatting */
code, pre {
  font-family: Menlo,Monaco,Consolas,monospace;
  background-color: #f5f5f5;
}

pre {
  padding: 9px;
  white-space: pre-wrap;
}

.highlight pre { background: #272822; color: #f8f8f2 }
.highlight .hll { background-color: #49483e }
.highlight .c { color: #75715e } /* Comment */
.highlight .err { color: #960050; background-color: #1e0010 } /* Error */
.highlight .k { color: #66d9ef } /* Keyword */
.highlight .l { color: #ae81ff } /* Literal */
.highlight .n { color: #f8f8f2 } /* Name */
.highlight .o { color: #f92672 } /* Operator */
.highlight .p { color: #f8f8f2 } /* Punctuation */
.highlight .ch { color: #75715e } /* Comment.Hashbang */
.highlight .cm { color: #75715e } /* Comment.Multiline */
.highlight .cp { color: #75715e } /* Comment.Preproc */
.highlight .cpf { color: #75715e } /* Comment.PreprocFile */
.highlight .c1 { color: #75715e } /* Comment.Single */
.highlight .cs { color: #75715e } /* Comment.Special */
.highlight .gd { color: #f92672 } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gi { color: #a6e22e } /* Generic.Inserted */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #75715e } /* Generic.Subheading */
.highlight .kc { color: #66d9ef } /* Keyword.Constant */
.highlight .kd { color: #66d9ef } /* Keyword.Declaration */
.highlight .kn { color: #f92672 } /* Keyword.Namespace */
.highlight .kp { color: #66d9ef } /* Keyword.Pseudo */
.highlight .kr { color: #66d9ef } /* Keyword.Reserved */
.highlight .kt { color: #66d9ef } /* Keyword.Type */
.highlight .ld { color: #e6db74 } /* Literal.Date */
.highlight .m { color: #ae81ff } /* Literal.Number */
.highlight .s { color: #e6db74 } /* Literal.String */
.highlight .na { color: #a6e22e } /* Name.Attribute */
.highlight .nb { color: #f8f8f2 } /* Name.Builtin */
.highlight .nc { color: #a6e22e } /* Name.Class */
.highlight .no { color: #66d9ef } /* Name.Constant */
.highlight .nd { color: #a6e22e } /* Name.Decorator */
.highlight .ni { color: #f8f8f2 } /* Name.Entity */
.highlight .ne { color: #a6e22e } /* Name.Exception */
.highlight .nf { color: #a6e22e } /* Name.Function */
.highlight .nl { color: #f8f8f2 } /* Name.Label */
.highlight .nn { color: #f8f8f2 } /* Name.Namespace */
.highlight .nx { color: #a6e22e } /* Name.Other */
.highlight .py { color: #f8f8f2 } /* Name.Property */
.highlight .nt { color: #f92672 } /* Name.Tag */
.highlight .nv { color: #f8f8f2 } /* Name.Variable */
.highlight .ow { color: #f92672 } /* Operator.Word */
.highlight .w { color: #f8f8f2 } /* Text.Whitespace */
.highlight .mb { color: #ae81ff } /* Literal.Number.Bin */
.highlight .mf { color: #ae81ff } /* Literal.Number.Float */
.highlight .mh { color: #ae81ff } /* Literal.Number.Hex */
.highlight .mi { color: #ae81ff } /* Literal.Number.Integer */
.highlight .mo { color: #ae81ff } /* Literal.Number.Oct */
.highlight .sa { color: #e6db74 } /* Literal.String.Affix */
.highlight .sb { color: #e6db74 } /* Literal.String.Backtick */
.highlight .sc { color: #e6db74 } /* Literal.String.Char */
.highlight .dl { color: #e6db74 } /* Literal.String.Delimiter */
.highlight .sd { color: #e6db74 } /* Literal.String.Doc */
.highlight .s2 { color: #e6db74 } /* Literal.String.Double */
.highlight .se { color: #ae81ff } /* Literal.String.Escape */
.highlight .sh { color: #e6db74 } /* Literal.String.Heredoc */
.highlight .si { color: #e6db74 } /* Literal.String.Interpol */
.highlight .sx { color: #e6db74 } /* Literal.String.Other */
.highlight .sr { color: #e6db74 } /* Literal.String.Regex */
.highlight .s1 { color: #e6db74 } /* Literal.String.Single */
.highlight .ss { color: #e6db74 } /* Literal.String.Symbol */
.highlight .bp { color: #f8f8f2 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #a6e22e } /* Name.Function.Magic */
.highlight .vc { color: #f8f8f2 } /* Name.Variable.Class */
.highlight .vg { color: #f8f8f2 } /* Name.Variable.Global */
.highlight .vi { color: #f8f8f2 } /* Name.Variable.Instance */
.highlight .vm { color: #f8f8f2 } /* Name.Variable.Magic */
.highlight .il { color: #ae81ff } /* Literal.Number.Integer.Long */
.highlight .k { color: #f92672 } /* Keyword */
.highlight .kc { color: #ae81ff } /* Keyword.Constant */
.highlight .nb { color: #66d9ef } /* Name.Builtin */
.highlight .nx { color: #66d9ef } /* Name.Other used for function calls */
.highlight .bp { color: #fd9322; font-style: italic } /* Name.Builtin.Pseudo for self keyword */
.highlight .nl { color: #fd9322; font-style: italic } /* Name.Label used for function parameters*/