softinio.com/themes/hyde-x/static/css/highlight/codepen-embed.css

/*
  codepen.io Embed Theme
  Author: Justin Perry <http://github.com/ourmaninamsterdam>
  Original theme - https://github.com/chriskempson/tomorrow-theme
*/

.hljs {
  display: block;
  overflow-x: auto;
  padding: 0.5em;
  background: #222;
  color: #fff;
  font-family: Menlo, Monaco, 'Andale Mono', 'Lucida Console', 'Courier New', monospace;
  -webkit-text-size-adjust: none;
}

.hljs-comment,
.hljs-title {
  color: #777;
}

.hljs-variable,
.hljs-attribute,
.hljs-tag,
.hljs-regexp,
.ruby .constant,
.xml .tag .title,
.xml .pi,
.xml .doctype,
.html .doctype {
  color: #ab875d;
}

.css .value {
  color: #cd6a51;
}

.css .value .function,
.css .value .string {
  color: #a67f59;
}

.css .value .number {
  color: #9b869c;
}

.css .id,
.css .class,
.css-pseudo,
.css .selector,
.css .tag {
  color: #dfc48c;
}

.hljs-number,
.hljs-preprocessor,
.hljs-built_in,
.hljs-literal,
.hljs-params,
.hljs-constant {
  color: #ab875d;
}

.ruby .class .title,
.css .rules .attribute {
  color: #9b869b;
}

.hljs-string,
.hljs-value,
.hljs-inheritance,
.hljs-header,
.ruby .symbol,
.xml .cdata {
  color: #8f9c6c;
}

.css .hexcolor {
  color: #cd6a51;
}

.function,
.python .decorator,
.python .title,
.ruby .function .title,
.ruby .title .keyword,
.perl .sub,
.javascript .title,
.coffeescript .title {
  color: #fff;
}

.hljs-keyword,
.javascript .function {
  color: #8f9c6c;
}

.coffeescript .javascript,
.javascript,
.javascript .xml,
.tex .formula,
.xml .javascript,
.xml .vbscript,
.xml .css,
.xml .cdata {
    background: transparent;
    opacity: 1;
}