Syntax highlight theme in Tomorrow Night (https://github.com/chriskempson/tomorrow-theme) for Octopress code snippet plugin. Notice that this is a brute-force theme which does not rely on any framework. Use with caution.

syntax.css

.gist .gist-file .gist-data .line-numbers .line-number {
  display: block;
  clear: right; }

.highlight table td.code, html .gist .gist-file .gist-syntax .line-data table td.code {
  width: 100%; }

.highlight .line-numbers, html .gist .gist-file .gist-data .lines .line-numbers {
  text-align: right;
  font-size: 13px;
  line-height: 1.45em;
  background: #000;
  padding: .8em !important;
  -webkit-border-radius: 0;
  -moz-border-radius: 0;
  -ms-border-radius: 0;
  -o-border-radius: 0;
  border-radius: 0; }

.highlight .line-numbers span, html .gist .gist-file .gist-syntax .line-data .line-numbers span {
  color: #555 !important; }

figure.code, .gist-file, pre {
  -webkit-box-shadow: rgba(0, 0, 0, 0.06) 0 0 10px;
  -moz-box-shadow: rgba(0, 0, 0, 0.06) 0 0 10px;
  box-shadow: rgba(0, 0, 0, 0.06) 0 0 10px; }

figure.code .highlight pre, .gist-file .highlight pre, pre .highlight pre {
  -webkit-box-shadow: none;
  -moz-box-shadow: none;
  box-shadow: none; }

html .gist .gist-file {
  position: relative;
  border: none;
  padding-top: 26px !important; }

html .gist .gist-file .gist-syntax {
  border-bottom: 0 !important;
  background: none !important; }

html .gist .gist-file .gist-syntax .line-data {
  background: #1d1f21 !important; }

html .gist .gist-file .gist-meta {
  padding: .5em 0.8em;
  margin-bottom: 1.8em;
  color: #444;
  font-size: 13px !important;
  background: #111;
  border-radius: 0 0 5px 5px;
  text-align: right; }

html .gist .gist-file .gist-meta a {
  color: #888 !important;
  text-decoration: none; }

html .gist .gist-file .gist-meta a:hover {
  text-decoration: underline; }

html .gist .gist-file .gist-meta a[href*='#file'] {
  position: absolute;
  top: 0;
  left: 0;
  right: -10px;
  color: #999 !important; }

pre, tr, td {
  margin: 0;
  padding: 0; }

.mono, pre, code, tt, p code, li code {
  font-family: 'Consolas','Monaco','Menlo','Ubuntu Mono','source-code-pro',monospace; }

html .gist .gist-file .gist-meta a[href*='#file']:hover {
  color: #eee !important; }

html .gist .gist-file .gist-meta a[href*=raw] {
  top: .4em; }

pre {
  background: #002b36 url("/images/noise.png?1346949399") top left;
  -webkit-border-radius: 0.4em;
  -moz-border-radius: 0.4em;
  -ms-border-radius: 0.4em;
  -o-border-radius: 0.4em;
  border-radius: 0.4em;
  border: 1px solid #05232b;
  line-height: 1.45em;
  font-size: 13px;
  margin-bottom: 2.1em;
  padding: .8em 1em;
  color: #ddd;
  overflow: auto; }

h3.filename + pre {
  -moz-border-radius-topleft: 0px;
  -webkit-border-top-left-radius: 0px;
  border-top-left-radius: 0px;
  -moz-border-radius-topright: 0px;
  -webkit-border-top-right-radius: 0px;
  border-top-right-radius: 0px; }

p code, li code {
  display: inline-block;
  white-space: no-wrap;
  background: #282a2e;
  font-size: .8em;
  line-height: 1.5em;
  color: #ddd;
  border: 1px solid #222;
  -webkit-border-radius: .5em;
  -moz-border-radius: .5em;
  -ms-border-radius: .5em;
  -o-border-radius: .5em;
  border-radius: .5em;
  padding: .08em .5em;
  margin: -1px 5px;
  text-shadow: none; }

p pre code, li pre code {
  font-size: 1em !important;
  background: none;
  border: none; }

.pre-code, html .gist .gist-file .gist-syntax .line-data pre, .gist .gist-file .gist-data .line-pre, .highlight code {
  font-family: "Consolas",Menlo,Monaco,"Andale Mono","lucida console",monospace !important;
  overflow: scroll;
  overflow-y: hidden;
  display: block;
  padding: .8em !important;
  overflow-x: auto;
  line-height: 1.45em;
  background: #1d1f21 !important;
  color: #ddd !important; }

.line-pre {
  white-space: pre;
}

.pre-code *::-moz-selection, html .gist .gist-file .gist-syntax .line-data pre *::-moz-selection, .highlight code *::-moz-selection {
  background: #373b41;
  color: inherit;
  text-shadow: #002b36 0 1px; }

.pre-code *::-webkit-selection, html .gist .gist-file .gist-syntax .line-data pre *::-webkit-selection, .highlight code *::-webkit-selection {
  background: #373b41;
  color: inherit;
  text-shadow: #002b36 0 1px; }

.pre-code *::selection, html .gist .gist-file .gist-syntax .line-data pre *::selection, .highlight code *::selection {
  background: #373b41;
  color: inherit;
  text-shadow: #002b36 0 1px; }

.pre-code span, html .gist .gist-file .gist-syntax .line-data pre span, .highlight code span {
  color: #93a1a1 !important; }

.pre-code span, html .gist .gist-file .gist-syntax .line-data pre span, .highlight code span {
  font-style: normal !important;
  font-weight: normal !important; }

.pre-code .bp, html .gist .gist-file .gist-syntax .line-data pre .bp, .highlight code .bp {
  color: #de935f !important; }

.pre-code .c, html .gist .gist-file .gist-syntax .line-data pre .c, .highlight code .c {
  color: #969896 !important; }

.pre-code .cm, html .gist .gist-file .gist-syntax .line-data pre .cm, .highlight code .cm {
  color: #969896 !important;
  font-style: italic !important; }

.pre-code .cp, html .gist .gist-file .gist-syntax .line-data pre .cp, .highlight code .cp {
  color: #c66 !important;
  font-style: italic !important; }

.pre-code .c1, html .gist .gist-file .gist-syntax .line-data pre .c1, .highlight code .c1 {
  color: #969896 !important; }

.pre-code .cs, html .gist .gist-file .gist-syntax .line-data pre .cs, .highlight code .cs {
  color: #586e75 !important;
  font-weight: bold !important;
  font-style: italic !important; }

.pre-code .err, html .gist .gist-file .gist-syntax .line-data pre .err, .highlight code .err {
  color: #dc322f !important;
  background: none !important; }

.pre-code .k, html .gist .gist-file .gist-syntax .line-data pre .k, .highlight code .k {
  color: #f0c674 !important; }

.pre-code .kn, html .gist .gist-file .gist-syntax .line-data pre .kn, .highlight code .kn {
  color: #b294bb !important; }

.pre-code .o, html .gist .gist-file .gist-syntax .line-data pre .o, .highlight code .o {
  color: #8abeb7 !important;
  font-weight: bold !important; }

.pre-code .p, html .gist .gist-file .gist-syntax .line-data pre .p, .highlight code .p {
  color: #93a1a1 !important; }

.pre-code .ow, html .gist .gist-file .gist-syntax .line-data pre .ow, .highlight code .ow {
  color: #8abeb7 !important;
  font-weight: bold !important; }

.pre-code .gd, html .gist .gist-file .gist-syntax .line-data pre .gd, .highlight code .gd {
  color: #c82829 !important;
  display: inline-block; }

.pre-code .gd .x, html .gist .gist-file .gist-syntax .line-data pre .gd .x, .highlight code .gd .x {
  color: #93a1a1 !important;
  background-color: #4d2d33 !important;
  display: inline-block; }

.pre-code .ge, html .gist .gist-file .gist-syntax .line-data pre .ge, .highlight code .ge {
  color: #93a1a1 !important;
  font-style: italic !important; }

.pre-code .gh, html .gist .gist-file .gist-syntax .line-data pre .gh, .highlight code .gh {
  color: #586e75 !important; }

.pre-code .gi, html .gist .gist-file .gist-syntax .line-data pre .gi, .highlight code .gi {
  color: #718c00 !important;
  display: inline-block; }

.pre-code .gi .x, html .gist .gist-file .gist-syntax .line-data pre .gi .x, .highlight code .gi .x {
  color: #718c00 !important;
  display: inline-block; }

.pre-code .gs, html .gist .gist-file .gist-syntax .line-data pre .gs, .highlight code .gs {
  color: #93a1a1 !important;
  font-weight: bold !important; }

.pre-code .gu, html .gist .gist-file .gist-syntax .line-data pre .gu, .highlight code .gu {
  color: #3e999f !important; }

.pre-code .kc, html .gist .gist-file .gist-syntax .line-data pre .kc, .highlight code .kc {
  color: #de935f !important;
  font-weight: bold !important; }

.pre-code .kd, html .gist .gist-file .gist-syntax .line-data pre .kd, .highlight code .kd {
  color: #b294bb !important; }

.pre-code .kp, html .gist .gist-file .gist-syntax .line-data pre .kp, .highlight code .kp {
  color: #b294bb !important;
  font-weight: bold !important; }

.pre-code .kr, html .gist .gist-file .gist-syntax .line-data pre .kr, .highlight code .kr {
  color: #d33682 !important;
  font-weight: bold !important; }

.pre-code .kt, html .gist .gist-file .gist-syntax .line-data pre .kt, .highlight code .kt {
  color: #de935f !important; }

.pre-code .n, html .gist .gist-file .gist-syntax .line-data pre .n, .highlight code .n {
  color: #ddd !important; }

.pre-code .na, html .gist .gist-file .gist-syntax .line-data pre .na, .highlight code .na {
  color: #81a2be !important; }

.pre-code .nb, html .gist .gist-file .gist-syntax .line-data pre .nb, .highlight code .nb {
  color: #f0c674 !important; }

.pre-code .nc, html .gist .gist-file .gist-syntax .line-data pre .nc, .highlight code .nc {
  color: #81a2be !important; }

.pre-code .no, html .gist .gist-file .gist-syntax .line-data pre .no, .highlight code .no {
  color: #b58900 !important; }

.pre-code .nl, html .gist .gist-file .gist-syntax .line-data pre .nl, .highlight code .nl {
  color: #859900 !important; }

.pre-code .ne, html .gist .gist-file .gist-syntax .line-data pre .ne, .highlight code .ne {
  color: #81a2be !important;
  font-weight: bold !important; }

.pre-code .nf, html .gist .gist-file .gist-syntax .line-data pre .nf, .highlight code .nf {
  color: #81a2be !important;
  font-weight: bold !important; }

.pre-code .nn, html .gist .gist-file .gist-syntax .line-data pre .nn, .highlight code .nn {
  color: #ddd !important; }

.pre-code .nt, html .gist .gist-file .gist-syntax .line-data pre .nt, .highlight code .nt {
  color: #c66 !important;
  font-weight: bold !important; }

.pre-code .nx, html .gist .gist-file .gist-syntax .line-data pre .nx, .highlight code .nx {
  color: #ddd !important; }

.pre-code .vg, html .gist .gist-file .gist-syntax .line-data pre .vg, .highlight code .vg {
  color: #81a2be !important; }

.pre-code .vi, html .gist .gist-file .gist-syntax .line-data pre .vi, .highlight code .vi {
  color: #81a2be !important; }

.pre-code .nv, html .gist .gist-file .gist-syntax .line-data pre .nv, .highlight code .nv {
  color: #81a2be !important; }

.pre-code .mf, html .gist .gist-file .gist-syntax .line-data pre .mf, .highlight code .mf {
  color: #de935f !important; }

.pre-code .m, html .gist .gist-file .gist-syntax .line-data pre .m, .highlight code .m {
  color: #de935f !important; }

.pre-code .mh, html .gist .gist-file .gist-syntax .line-data pre .mh, .highlight code .mh {
  color: #de935f !important; }

.pre-code .mi, html .gist .gist-file .gist-syntax .line-data pre .mi, .highlight code .mi {
  color: #de935f !important; }

.pre-code .s, html .gist .gist-file .gist-syntax .line-data pre .s, .highlight code .s {
  color: #b5bd68 !important; }

.pre-code .sd, html .gist .gist-file .gist-syntax .line-data pre .sd, .highlight code .sd {
  color: #de935f !important; }

.pre-code .s2, html .gist .gist-file .gist-syntax .line-data pre .s2, .highlight code .s2 {
  color: #de935f !important; }

.pre-code .se, html .gist .gist-file .gist-syntax .line-data pre .se, .highlight code .se {
  color: #de935f !important; }

.pre-code .si, html .gist .gist-file .gist-syntax .line-data pre .si, .highlight code .si {
  color: #81a2be !important; }

.pre-code .sr, html .gist .gist-file .gist-syntax .line-data pre .sr, .highlight code .sr {
  color: #de935f !important; }

.pre-code .s1, html .gist .gist-file .gist-syntax .line-data pre .s1, .highlight code .s1 {
  color: #b5bd68 !important; }

.pre-code div .gd, html .gist .gist-file .gist-syntax .line-data pre div .gd, .highlight code div .gd, .pre-code div .gd .x, html .gist .gist-file .gist-syntax .line-data pre div .gd .x, .highlight code div .gd .x, .pre-code div .gi, html .gist .gist-file .gist-syntax .line-data pre div .gi, .highlight code div .gi, .pre-code div .gi .x, html .gist .gist-file .gist-syntax .line-data pre div .gi .x, .highlight code div .gi .x {
  display: inline-block;
  width: 100%; }

.highlight, .gist-highlight {
  /*margin-bottom:1.8em;*/
  background: #1d1f21;
  overflow-y: hidden;
  overflow-x: auto; }

.highlight pre, .gist-highlight pre {
  background: none;
  -webkit-border-radius: none;
  -moz-border-radius: none;
  -ms-border-radius: none;
  -o-border-radius: none;
  border-radius: none;
  border: none;
  padding: 0;
  margin-bottom: 0; }

pre::-webkit-scrollbar, .highlight::-webkit-scrollbar, .gist-highlight::-webkit-scrollbar {
  height: .5em;
  background: rgba(255, 255, 255, 0.15); }

pre::-webkit-scrollbar-thumb:horizontal, .highlight::-webkit-scrollbar-thumb:horizontal, .gist-highlight::-webkit-scrollbar-thumb:horizontal {
  background: rgba(255, 255, 255, 0.2);
  -webkit-border-radius: 4px;
  border-radius: 4px; }

.highlight code {
  background: #000;
  white-space: pre; }

figure.code {
  background: #111;
  border-radius: 5px;
  padding: 0;
  border: 0;
  margin-bottom: 1.5em; }

figure.code pre {
  margin-bottom: 0; }

figure.code figcaption {
  position: relative; }

figure.code .highlight {
  margin-bottom: 0;
  border-radius: 5px; }

.code-title, html .gist .gist-file .gist-meta a[href*='#file'], h3.filename, figure.code figcaption {
  text-align: center;
  font-size: 13px;
  line-height: 2em;
  text-shadow: #333 0 1px 0;
  color: #999;
  font-weight: normal;
  padding: .1em 0;
  margin-bottom: 0;
  -moz-border-radius-topleft: 5px;
  -webkit-border-top-left-radius: 5px;
  border-top-left-radius: 5px;
  -moz-border-radius-topright: 5px;
  -webkit-border-top-right-radius: 5px;
  border-top-right-radius: 5px;
  font-family: "Helvetica Neue", Arial, "Lucida Grande", "Lucida Sans Unicode", Lucida, sans-serif;
  background: #111;
  border-bottom: 0; }

.download-source, html .gist .gist-file .gist-meta a[href*=raw], figure.code figcaption a {
  position: absolute;
  right: .8em;
  text-decoration: none;
  color: #888 !important;
  z-index: 1;
  font-size: 13px;
  text-shadow: #333 0 1px 0;
  padding-left: 3em; }

.download-source:hover, html .gist .gist-file .gist-meta a[href*=raw]:hover, figure.code figcaption a:hover {
  text-decoration: underline; }

.file-data {
  background: #1d1f21;
  overflow-x: auto; }