GitHub Markdown Like CSS

markdown.css

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, "メイリオ", Meiryo, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  background-color: white;
}

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

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

a {
  color: #4183C4;
}

a.absent {
  color: #cc0000;
}

a.anchor {
  display: block;
  padding-left: 30px;
  margin-left: -30px;
  cursor: pointer;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
}

h1, h2, h3, h4, h5, h6 {
  margin: 20px 0 10px;
  padding: 0;
  font-weight: bold;
  cursor: text;
  position: relative;
}

h1 {
  font-size: 28px;
  color: black;
}

h2 {
  font-size: 24px;
  border-bottom: 1px solid #cccccc;
  color: black;
}

h3 {
  font-size: 18px;
}

h4 {
  font-size: 16px;
}

h5 {
  font-size: 14px;
}

h6 {
  color: #777777;
  font-size: 14px;
}

p, ul, ol, dl, li, table {
  margin: 2px 0;
}

blockquote, pre {
  margin: 8px 0;
}

hr {
  border: 0 none;
  color: #cccccc;
  height: 4px;
  padding: 0;
}

body > h2:first-child {
  margin-top: 0;
  padding-top: 0;
}

body > h1:first-child {
  margin-top: 0;
  padding-top: 0;
}

body > h1:first-child + h2 {
    margin-top: 0;
    padding-top: 0;
}

body > h3:first-child, body > h4:first-child, body > h5:first-child, body > h6:first-child {
  margin-top: 0;
  padding-top: 0;
}

a:first-child h1, a:first-child h2, a:first-child h3, a:first-child h4, a:first-child h5, a:first-child h6 {
  margin-top: 0;
  padding-top: 0;
}

h1 p, h2 p, h3 p, h4 p, h5 p, h6 p {
  margin-top: 0;
}

li p.first {
  display: inline-block;
}

ul, ol {
  padding-left: 30px;
}

ul :first-child, ol :first-child {
  margin-top: 0;
}

ul :last-child, ol :last-child {
  margin-bottom: 0;
}

dl {
  padding: 0;
}

dl dt {
  font-size: 14px;
  font-weight: bold;
  font-style: italic;
  padding: 0;
  margin: 15px 0 5px;
}

dl dt:first-child {
  padding: 0;
}

dl dt > :first-child {
  margin-top: 0;
}

dl dt > :last-child {
  margin-bottom: 0;
}

dl dd {
  margin: 0 0 15px;
  padding: 0 15px;
}

dl dd > :first-child {
  margin-top: 0;
}

dl dd > :last-child {
  margin-bottom: 0;
}

blockquote {
  border-left: 4px solid #dddddd;
  padding: 0 15px;
  color: #777777;
}

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

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

table {
  padding: 0;
}

table tr {
  border-top: 1px solid #cccccc;
  background-color: white;
  margin: 0;
  padding: 0;
}

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

table tr th {
  font-weight: bold;
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr td {
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr th :first-child, table tr td :first-child {
  margin-top: 0;
}

table tr th :last-child, table tr td :last-child {
  margin-bottom: 0;
}

img {
  max-width: 100%;
}

code, tt {
  margin: 0 2px;
  padding: 0 5px;
  white-space: nowrap;
  border: 1px solid #eaeaea;
  background-color: #f8f8f8;
  border-radius: 3px;
}

pre code {
  margin: 0;
  padding: 0;
  white-space: pre;
  border: none;
  background: transparent;
}

pre {
  background-color: #f8f8f8;
  border: 1px solid #cccccc;
  font-size: 13px;
  line-height: 19px;
  overflow: auto;
  padding: 6px 10px;
  border-radius: 3px;
}

pre code, pre tt {
  background-color: transparent;
  border: none;
}

pre.signature {
  margin: 0;
  padding: 0;
  white-space: pre;
  border: none;
  background-color: white;
  color: SlateGray;
}