github-markdown-css-codepen.css

@font-face {
    font-family: octicons-anchor;
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}

body {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    color: #333;
    overflow: hidden;
    font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    word-wrap: break-word;
}

a {
    background: transparent;
}

a:active,
a:hover {
    outline: 0;
}

strong {
    font-weight: bold;
}

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}

img {
    border: 0;
}

hr {
    -moz-box-sizing: content-box;
    box-sizing: content-box;
    height: 0;
}

pre {
    overflow: auto;
}

code,
kbd,
pre {
    font-family: monospace, monospace;
    font-size: 1em;
}

input {
    color: inherit;
    font: inherit;
    margin: 0;
}

html input[disabled] {
    cursor: default;
}

input {
    line-height: normal;
}

input[type="checkbox"] {
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

td,
th {
    padding: 0;
}

* {
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

input {
    font: 13px/1.4 Helvetica, arial, freesans, clean, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
}

a {
    color: #4183c4;
    text-decoration: none;
}

a:hover,
a:focus,
a:active {
    text-decoration: underline;
}

hr {
    height: 0;
    margin: 15px 0;
    overflow: hidden;
    background: transparent;
    border: 0;
    border-bottom: 1px solid #ddd;
}

hr:before {
    display: table;
    content: "";
}

hr:after {
    display: table;
    clear: both;
    content: "";
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 15px;
    margin-bottom: 15px;
    line-height: 1.1;
}

h1 {
    font-size: 30px;
}

h2 {
    font-size: 21px;
}

h3 {
    font-size: 16px;
}

h4 {
    font-size: 14px;
}

h5 {
    font-size: 12px;
}

h6 {
    font-size: 11px;
}

blockquote {
    margin: 0;
}

ul,
ol {
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
}

ol ol,
ul ol {
    list-style-type: lower-roman;
}

ul ul ol,
ul ol ol,
ol ul ol,
ol ol ol {
    list-style-type: lower-alpha;
}

dd {
    margin-left: 0;
}

code {
    font: 12px Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

pre {
    margin-top: 0;
    margin-bottom: 0;
    font: 12px Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

kbd {
    background-color: #e7e7e7;
    background-image: -webkit-linear-gradient(#fefefe, #e7e7e7);
    background-image: linear-gradient(#fefefe, #e7e7e7);
    background-repeat: repeat-x;
    border-radius: 2px;
    border: 1px solid #cfcfcf;
    color: #000;
    padding: 3px 5px;
    line-height: 10px;
    font: 11px Consolas, "Liberation Mono", Menlo, Courier, monospace;
    display: inline-block;
}

.markdown-body>*:first-child {
    margin-top: 0 !important;
}

.markdown-body>*:last-child {
    margin-bottom: 0 !important;
}

.anchor {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding-right: 6px;
    padding-left: 30px;
    margin-left: -30px;
}

.anchor:focus {
    outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    position: relative;
    margin-top: 1em;
    margin-bottom: 16px;
    font-weight: bold;
    line-height: 1.4;
}

h1 .octicon-link,
h2 .octicon-link,
h3 .octicon-link,
h4 .octicon-link,
h5 .octicon-link,
h6 .octicon-link {
    display: none;
    color: #000;
    vertical-align: middle;
}

h1:hover .anchor,
h2:hover .anchor,
h3:hover .anchor,
h4:hover .anchor,
h5:hover .anchor,
h6:hover .anchor {
    height: 1em;
    padding-left: 8px;
    margin-left: -30px;
    line-height: 1;
    text-decoration: none;
}

h1:hover .anchor .octicon-link,
h2:hover .anchor .octicon-link,
h3:hover .anchor .octicon-link,
h4:hover .anchor .octicon-link,
h5:hover .anchor .octicon-link,
h6:hover .anchor .octicon-link {
    display: inline-block;
}

h1 {
    padding-bottom: 0.3em;
    font-size: 2.25em;
    line-height: 1.2;
    border-bottom: 1px solid #eee;
}

h2 {
    padding-bottom: 0.3em;
    font-size: 1.75em;
    line-height: 1.225;
    border-bottom: 1px solid #eee;
}

h3 {
    font-size: 1.5em;
    line-height: 1.43;
}

h4 {
    font-size: 1.25em;
}

h5 {
    font-size: 1em;
}

h6 {
    font-size: 1em;
    color: #777;
}

p,
blockquote,
ul,
ol,
dl,
table,
pre {
    margin-top: 0;
    margin-bottom: 16px;
}

hr {
    height: 4px;
    padding: 0;
    margin: 16px 0;
    background-color: #e7e7e7;
    border: 0 none;
}

ul,
ol {
    padding-left: 2em;
}

ul ul,
ul ol,
ol ol,
ol ul {
    margin-top: 0;
    margin-bottom: 0;
}

li>p {
    margin-top: 16px;
}

dl {
    padding: 0;
}

dl dt {
    padding: 0;
    margin-top: 16px;
    font-size: 1em;
    font-style: italic;
    font-weight: bold;
}

dl dd {
    padding: 0 16px;
    margin-bottom: 16px;
}

blockquote {
    padding: 0 15px;
    color: #777;
    border-left: 4px solid #ddd;
}

blockquote>:first-child {
    margin-top: 0;
}

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

table {
    display: block;
    width: 100%;
    overflow: auto;
    word-break: normal;
    word-break: keep-all;
}

table th {
    font-weight: bold;
}

table th,
table td {
    padding: 6px 13px;
    border: 1px solid #ddd;
}

table tr {
    background-color: #fff;
    border-top: 1px solid #ccc;
}

table tr:nth-child(2n) {
    background-color: #f8f8f8;
}

img {
    max-width: 100%;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

code {
    padding: 0;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(0,0,0,0.04);
    border-radius: 3px;
}

code:before,
code:after {
    letter-spacing: -0.2em;
    content: "\00a0";
}

pre>code {
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: normal;
    white-space: pre;
    background: transparent;
    border: 0;
}

.highlight {
    margin-bottom: 16px;
}

.highlight pre,
pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f7f7f7;
    border-radius: 3px;
}

.highlight pre {
    margin-bottom: 0;
    word-break: normal;
}

pre {
    word-wrap: normal;
}

pre code {
    display: inline;
    max-width: initial;
    padding: 0;
    margin: 0;
    overflow: initial;
    line-height: inherit;
    word-wrap: normal;
    background-color: transparent;
    border: 0;
}

pre code:before,
pre code:after {
    content: normal;
}

.highlight {
    background: #fff;
}

.highlight .mf,
.highlight .mh,
.highlight .mi,
.highlight .mo,
.highlight .il,
.highlight .m {
    color: #945277;
}

.highlight .s,
.highlight .sb,
.highlight .sc,
.highlight .sd,
.highlight .s2,
.highlight .se,
.highlight .sh,
.highlight .si,
.highlight .sx,
.highlight .s1 {
    color: #df5000;
}

.highlight .kc,
.highlight .kd,
.highlight .kn,
.highlight .kp,
.highlight .kr,
.highlight .kt,
.highlight .k,
.highlight .o {
    font-weight: bold;
}

.highlight .kt {
    color: #458;
}

.highlight .c,
.highlight .cm,
.highlight .c1 {
    color: #998;
    font-style: italic;
}

.highlight .cp,
.highlight .cs {
    color: #999;
    font-weight: bold;
}

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

.highlight .n {
    color: #333;
}

.highlight .na,
.highlight .nv,
.highlight .vc,
.highlight .vg,
.highlight .vi {
    color: #008080;
}

.highlight .nb {
    color: #0086B3;
}

.highlight .nc {
    color: #458;
    font-weight: bold;
}

.highlight .no {
    color: #094e99;
}

.highlight .ni {
    color: #800080;
}

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

.highlight .nf {
    color: #945277;
    font-weight: bold;
}

.highlight .nn {
    color: #555;
}

.highlight .nt {
    color: #000080;
}

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

.highlight .gd {
    color: #000;
    background-color: #fdd;
}

.highlight .gd .x {
    color: #000;
    background-color: #faa;
}

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

.highlight .gr {
    color: #aa0000;
}

.highlight .gh {
    color: #999;
}

.highlight .gi {
    color: #000;
    background-color: #dfd;
}

.highlight .gi .x {
    color: #000;
    background-color: #afa;
}

.highlight .go {
    color: #888;
}

.highlight .gp {
    color: #555;
}

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

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

.highlight .gt {
    color: #aa0000;
}

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

.highlight .w {
    color: #bbb;
}

.highlight .sr {
    color: #017936;
}

.highlight .ss {
    color: #8b467f;
}

.highlight .bp {
    color: #999;
}

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

.octicon {
    font: normal normal 16px octicons-anchor;
    line-height: 1;
    display: inline-block;
    text-decoration: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.octicon-link:before {
    content: '\f05c';
}

.task-list-item {
    list-style-type: none;
}

.task-list-item+.task-list-item {
    margin-top: 3px;
}

.task-list-item input {
    float: left;
    margin: 0.3em 0 0.25em -1.6em;
    vertical-align: middle;
}