Upstream TextMate theme ported for use with Alex Gorbatchev's SyntaxHighlighter. See demo here: http://rebolyte.pancakeapps.com/syntax-highlighting.html

shThemeUpstream.css

/**
 * SyntaxHighlighter
 * http://alexgorbatchev.com/SyntaxHighlighter
 * Version 3.0.83 (July 02 2010)
 * Copyright (C) 2004-2010 Alex Gorbatchev.
 * Dual licensed under the MIT and GPL licenses.
 * 
 * Upstream theme originally by Media Upstream:
 * https://github.com/mediaupstream/Upstream-Textmate-Themes/tree/master/Upstream
 * Ported to SyntaxHighlighter by James Irwin (@rebolyte).
 * 12-Nov-2014
 */

/* Overriding the default font in shCore.css. This stylesheet must be included
	AFTER the main stylesheet, so this !important actually overrides the main
	stylesheet's !important. */
.syntaxhighlighter a,
.syntaxhighlighter div,
.syntaxhighlighter code,
.syntaxhighlighter table,
.syntaxhighlighter table td,
.syntaxhighlighter table tr,
.syntaxhighlighter table tbody,
.syntaxhighlighter table thead,
.syntaxhighlighter table caption,
.syntaxhighlighter textarea {
	font-family: "Monaco", "Consolas", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace !important;
	font-size: 9pt !important;
	line-height: 12pt !important;
}
.syntaxhighlighter {
  background-color: black !important;
}
.syntaxhighlighter .line.alt1 {
  background-color: black !important;
}
.syntaxhighlighter .line.alt2 {
  background-color: black !important;
}
.syntaxhighlighter .line.highlighted.alt1, .syntaxhighlighter .line.highlighted.alt2 {
  background-color: #222 !important;
}
.syntaxhighlighter .line.highlighted.number {
  color: #DDD !important;
}
.syntaxhighlighter table caption {
  color: white !important;
}
.syntaxhighlighter .gutter {
  color: #444 !important;
}
.syntaxhighlighter .gutter .line {
  border-right: 3px solid #222 !important;
}
.syntaxhighlighter .gutter .line.highlighted {
  background-color: #222 !important;
  color: #CCC !important;
}
.syntaxhighlighter.printing .line .content {
  border: none !important;
}
.syntaxhighlighter.collapsed {
  overflow: visible !important;
}
.syntaxhighlighter.collapsed .toolbar {
  color: blue !important;
  background: white !important;
  border: 1px solid #6ce26c !important;
}
.syntaxhighlighter.collapsed .toolbar a {
  color: blue !important;
}
.syntaxhighlighter.collapsed .toolbar a:hover {
  color: red !important;
}
.syntaxhighlighter .toolbar {
  color: white !important;
  background: #6ce26c !important;
  border: none !important;
}
.syntaxhighlighter .toolbar a {
  color: white !important;
}
.syntaxhighlighter .toolbar a:hover {
  color: black !important;
}
.syntaxhighlighter .plain, .syntaxhighlighter .plain a {
  color: white !important;
}
.syntaxhighlighter .comments, .syntaxhighlighter .comments a {
  color: #555 !important;
  font-style: italic;
}
.syntaxhighlighter .string, .syntaxhighlighter .string a {
  color: #939F84 !important;
}
.syntaxhighlighter .keyword {
  color: #B75C4C !important;
}
.syntaxhighlighter .preprocessor {
  color: gray !important;
}
.syntaxhighlighter .variable {
  color: #4F6489 !important;
}
.syntaxhighlighter .value {
  color: #529C08 !important;
}
.syntaxhighlighter .functions {
  color: #FFD767 !important;
}
.syntaxhighlighter .constants {
  color: #4F9B00 !important;
}
.syntaxhighlighter .script {
  font-weight: bold !important;
  color: #006699 !important;
  background-color: none !important;
}
.syntaxhighlighter .color1, .syntaxhighlighter .color1 a {
  color: #194A87 !important;
}
.syntaxhighlighter .color2, .syntaxhighlighter .color2 a {
  color: #BCBE42 !important;
}
.syntaxhighlighter .color3, .syntaxhighlighter .color3 a {
  color: #529C08 !important;
}

.syntaxhighlighter .keyword {
  font-weight: bold !important;
}