html {
    line-height: 1.5;
    font-family: "Source Sans Pro", "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 20px;
    color: #dfe1e8;
    background-color: #2b303b;
}
body {
    margin: 0 auto;
    max-width: 36em;
    padding: 50px;
    hyphens: auto;
    word-wrap: break-word;
    text-rendering: optimizeLegibility;
    font-kerning: normal;
}
@media (max-width: 600px) {
    body {
        font-size: 0.9em;
        padding: 1em;
    }
}
@media print {
    body {
        background-color: transparent;
        color: black;
        font-size: 12pt;
    }
    p,
    h2,
    h3 {
        orphans: 3;
        widows: 3;
    }
    h2,
    h3,
    h4 {
        page-break-after: avoid;
    }
}
p {
    margin: 1em 0;
}
nav ul {
    list-style: none;
}
nav ul li {
    display: inline;
}
img {
    max-width: 100%;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    color: eff1f5;
    font-family: "Source Serif Pro", "Source Serif 4", Palatino, Georgia, "Bookman Old Style", "Century Schoolbook", Times, "Times New Roman", serif;
    margin-top: 1.4em;
}
h5,
h6 {
    font-size: 1em;
    font-style: italic;
}
h6 {
    font-weight: normal;
}
ol,
ul {
    padding-left: 1.7em;
    margin-top: 1em;
}
li > ol,
li > ul {
    margin-top: 0;
}
a:link {
    color: #8fa1b3;
}
a:visited {
    color: #b48ead;
}
a:focus {
    color: bf616a;
}
a:hover {
    color: bf616a;
}
a:active {
    color: bf616a;
}
blockquote {
    margin: 1em 0 1em 1.7em;
    padding-left: 1em;
    border-left: 2px solid #e6e6e6;
    color: #606060;
}
hr {
    color: #eff1f5;
}
code, pre {
    border-radius: 3px;
    font-family: "Source Code Pro", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 85%;
    margin: 0;
    padding: 3px;
}
pre {
    margin: 1em 0;
    overflow: auto;
    padding: 3px;
}
pre code {
    overflow: visible;
}
.sourceCode {
    background-color: transparent;
    overflow: visible;
}
hr {
    background-color: #1a1a1a;
    border: none;
    height: 1px;
    margin: 1em 0;
}
table {
    margin: 1em 0;
    border-collapse: collapse;
    width: 100%;
    overflow-x: auto;
    display: block;
    font-variant-numeric: lining-nums tabular-nums;
}
table caption {
    margin-bottom: 0.75em;
}
tbody {
    margin-top: 0.5em;
    border-top: 1px solid #1a1a1a;
    border-bottom: 1px solid #1a1a1a;
}
th {
    border-top: 1px solid #1a1a1a;
    padding: 0.25em 0.5em 0.25em 0.5em;
}
td {
    padding: 0.125em 0.5em 0.25em 0.5em;
}
header {
    margin-bottom: 4em;
    text-align: center;
}
#TOC li {
    list-style: none;
}
#TOC a:not(:hover),
.directions {
    text-decoration: none;
}
code {
    white-space: pre-wrap;
}
.smallcaps {
    font-variant: small-caps;
}
.underline {
    text-decoration: underline;
}
.column {
    display: inline-block;
    vertical-align: top;
    width: 50%;
}
.hanging-indent {
    margin-left: 1.5em;
    text-indent: -1.5em;
}
.task-list {
    list-style: none;
}
pre > code.sourceCode {
    white-space: pre;
    position: relative;
}
pre > code.sourceCode > span {
    display: inline-block;
    line-height: 1.25;
}
pre > code.sourceCode > span:empty {
    height: 1.2em;
}
.sourceCode {
    overflow: visible;
}
code.sourceCode > span {
    color: inherit;
    text-decoration: inherit;
}
div.sourceCode {
    margin: 1em 0;
}
pre.sourceCode {
    margin: 0;
}
@media screen {
    div.sourceCode {
        overflow: auto;
    }
}
@media print {
    pre > code.sourceCode {
        white-space: pre-wrap;
    }
    pre > code.sourceCode > span {
        text-indent: -5em;
        padding-left: 5em;
    }
}
pre.numberSource code {
    counter-reset: source-line 0;
}
pre.numberSource code > span {
    position: relative;
    left: -4em;
    counter-increment: source-line;
}
pre.numberSource code > span > a:first-child::before {
    content: counter(source-line);
    position: relative;
    left: -1em;
    text-align: right;
    vertical-align: baseline;
    border: none;
    display: inline-block;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    padding: 0 4px;
    width: 4em;
}