prism.js github theme

prism-theme-github.css

code,
code[class*='language-'],
pre[class*='language-'] {
  color: #24292e;
  text-align: left;
  white-space: pre;
  word-spacing: normal;
  tab-size: 4;
  hyphens: none;
}

pre[class*='language-'] {
  overflow: auto;
  margin: 1em 0;
  padding: 1.2em;
  border-radius: 3px;
  font-size: 85%;
}

pre[class*="language-"] {
  padding: 1em;
  margin: .5em 0;
  overflow: auto;
  border: 1px solid #dddddd;
  background-color: white;
}

.token.selector, .token.attr-name, .token.attr-value .punctuation:first-child, .token.keyword, .token.regex, .token.important, .token.operator {
  color: #d73a49;
}
.token.class-name, .token.namespace {
  color: #6f42c1;
}
.token.comment, .token.prolog, .token.doctype, .token.cdata {
  color: #6a737d;
}
.token.function {
  color: #6f42c1;
}
.token.string, .token.atrule, .token.attr-value {
  color: #032f62;
}
.token.boolean, .token.number {
  color: #005cc5;
}