diff --git a/github-linguist.gemspec b/github-linguist.gemspec
index 9f0db488..2d3126f0 100644
--- a/github-linguist.gemspec
+++ b/github-linguist.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name    = 'github-linguist'
-  s.version = '2.9.2'
+  s.version = '2.9.3'
   s.summary = "GitHub Language detection"
 
   s.authors  = "GitHub"
diff --git a/lib/linguist/samples.json b/lib/linguist/samples.json
index 30272027..b0c0f6bb 100644
--- a/lib/linguist/samples.json
+++ b/lib/linguist/samples.json
@@ -38,6 +38,9 @@
     "Coq": [
       ".v"
     ],
+    "CSS": [
+      ".css"
+    ],
     "Dart": [
       ".dart"
     ],
@@ -396,8 +399,8 @@
       ".gemrc"
     ]
   },
-  "tokens_total": 363775,
-  "languages_total": 437,
+  "tokens_total": 407642,
+  "languages_total": 439,
   "tokens": {
     "ABAP": {
       "*/**": 1,
@@ -11894,6 +11897,754 @@
       "IHhas_type1.": 1,
       "IHhas_type2.": 1
     },
+    "CSS": {
+      ".clearfix": 8,
+      "{": 1661,
+      "*zoom": 48,
+      ";": 4219,
+      "}": 1705,
+      "before": 48,
+      "after": 96,
+      "display": 135,
+      "table": 44,
+      "content": 66,
+      "line": 97,
+      "-": 8839,
+      "height": 141,
+      "clear": 32,
+      "both": 30,
+      ".hide": 12,
+      "text": 129,
+      "font": 142,
+      "/0": 2,
+      "a": 268,
+      "color": 711,
+      "transparent": 148,
+      "shadow": 254,
+      "none": 128,
+      "background": 770,
+      "border": 912,
+      ".input": 216,
+      "block": 133,
+      "level": 2,
+      "width": 215,
+      "%": 366,
+      "min": 14,
+      "px": 2535,
+      "webkit": 364,
+      "box": 264,
+      "sizing": 27,
+      "moz": 316,
+      "article": 2,
+      "aside": 2,
+      "details": 2,
+      "figcaption": 2,
+      "figure": 2,
+      "footer": 2,
+      "header": 12,
+      "hgroup": 2,
+      "nav": 2,
+      "section": 2,
+      "audio": 4,
+      "canvas": 2,
+      "video": 4,
+      "inline": 116,
+      "*display": 20,
+      "not": 6,
+      "(": 748,
+      "[": 384,
+      "controls": 2,
+      "]": 384,
+      ")": 748,
+      "html": 4,
+      "size": 104,
+      "adjust": 6,
+      "ms": 13,
+      "focus": 232,
+      "outline": 30,
+      "thin": 8,
+      "dotted": 10,
+      "#333": 6,
+      "auto": 50,
+      "ring": 6,
+      "offset": 6,
+      "hover": 144,
+      "active": 46,
+      "sub": 4,
+      "sup": 4,
+      "position": 342,
+      "relative": 18,
+      "vertical": 56,
+      "align": 72,
+      "baseline": 4,
+      "top": 376,
+      "em": 6,
+      "bottom": 309,
+      "img": 14,
+      "max": 18,
+      "middle": 20,
+      "interpolation": 2,
+      "mode": 2,
+      "bicubic": 2,
+      "#map_canvas": 2,
+      ".google": 2,
+      "maps": 2,
+      "button": 18,
+      "input": 336,
+      "select": 90,
+      "textarea": 76,
+      "margin": 424,
+      "*overflow": 3,
+      "visible": 8,
+      "normal": 18,
+      "inner": 37,
+      "padding": 174,
+      "type": 174,
+      "appearance": 6,
+      "cursor": 30,
+      "pointer": 12,
+      "label": 20,
+      "textfield": 2,
+      "search": 66,
+      "decoration": 33,
+      "cancel": 2,
+      "overflow": 21,
+      "@media": 2,
+      "print": 4,
+      "*": 2,
+      "important": 18,
+      "#000": 2,
+      "visited": 2,
+      "underline": 6,
+      "href": 28,
+      "attr": 4,
+      "abbr": 6,
+      "title": 10,
+      ".ir": 2,
+      "pre": 16,
+      "blockquote": 14,
+      "solid": 93,
+      "#999": 6,
+      "page": 6,
+      "break": 12,
+      "inside": 4,
+      "avoid": 6,
+      "thead": 38,
+      "group": 120,
+      "tr": 92,
+      "@page": 2,
+      "cm": 2,
+      "p": 14,
+      "h2": 14,
+      "h3": 14,
+      "orphans": 2,
+      "widows": 2,
+      "body": 3,
+      "family": 10,
+      "Helvetica": 6,
+      "Arial": 6,
+      "sans": 6,
+      "serif": 6,
+      "#333333": 26,
+      "#ffffff": 136,
+      "#0088cc": 24,
+      "#005580": 8,
+      ".img": 6,
+      "rounded": 2,
+      "radius": 534,
+      "polaroid": 2,
+      "#fff": 10,
+      "#ccc": 13,
+      "rgba": 409,
+      "circle": 18,
+      ".row": 126,
+      "left": 489,
+      "class*": 100,
+      "float": 84,
+      ".container": 32,
+      ".navbar": 332,
+      "static": 14,
+      "fixed": 36,
+      ".span12": 4,
+      ".span11": 4,
+      ".span10": 4,
+      ".span9": 4,
+      ".span8": 4,
+      ".span7": 4,
+      ".span6": 4,
+      ".span5": 4,
+      ".span4": 4,
+      ".span3": 4,
+      ".span2": 4,
+      ".span1": 4,
+      ".offset12": 6,
+      ".offset11": 6,
+      ".offset10": 6,
+      ".offset9": 6,
+      ".offset8": 6,
+      ".offset7": 6,
+      ".offset6": 6,
+      ".offset5": 6,
+      ".offset4": 6,
+      ".offset3": 6,
+      ".offset2": 6,
+      ".offset1": 6,
+      "fluid": 126,
+      "*margin": 70,
+      "first": 179,
+      "child": 301,
+      ".controls": 28,
+      "row": 20,
+      "+": 105,
+      "*width": 26,
+      ".pull": 16,
+      "right": 258,
+      ".lead": 2,
+      "weight": 28,
+      "small": 66,
+      "strong": 2,
+      "bold": 14,
+      "style": 21,
+      "italic": 4,
+      "cite": 2,
+      ".muted": 2,
+      "#999999": 50,
+      "a.muted": 4,
+      "#808080": 2,
+      ".text": 14,
+      "warning": 33,
+      "#c09853": 14,
+      "a.text": 16,
+      "#a47e3c": 4,
+      "error": 10,
+      "#b94a48": 20,
+      "#953b39": 6,
+      "info": 37,
+      "#3a87ad": 18,
+      "#2d6987": 6,
+      "success": 35,
+      "#468847": 18,
+      "#356635": 6,
+      "center": 17,
+      "h1": 11,
+      "h4": 20,
+      "h5": 6,
+      "h6": 6,
+      "inherit": 8,
+      "rendering": 2,
+      "optimizelegibility": 2,
+      ".page": 2,
+      "#eeeeee": 31,
+      "ul": 84,
+      "ol": 10,
+      "li": 205,
+      "ul.unstyled": 2,
+      "ol.unstyled": 2,
+      "list": 44,
+      "ul.inline": 4,
+      "ol.inline": 4,
+      "dl": 2,
+      "dt": 6,
+      "dd": 6,
+      ".dl": 12,
+      "horizontal": 60,
+      "hidden": 9,
+      "ellipsis": 2,
+      "white": 25,
+      "space": 23,
+      "nowrap": 14,
+      "hr": 2,
+      "data": 2,
+      "original": 2,
+      "help": 2,
+      "abbr.initialism": 2,
+      "transform": 4,
+      "uppercase": 4,
+      "blockquote.pull": 10,
+      "q": 4,
+      "address": 2,
+      "code": 6,
+      "Monaco": 2,
+      "Menlo": 2,
+      "Consolas": 2,
+      "monospace": 2,
+      "#d14": 2,
+      "#f7f7f9": 2,
+      "#e1e1e8": 2,
+      "word": 6,
+      "all": 10,
+      "wrap": 6,
+      "#f5f5f5": 26,
+      "pre.prettyprint": 2,
+      ".pre": 2,
+      "scrollable": 2,
+      "y": 2,
+      "scroll": 2,
+      ".label": 30,
+      ".badge": 30,
+      "empty": 7,
+      "a.label": 4,
+      "a.badge": 4,
+      "#f89406": 27,
+      "#c67605": 4,
+      "inverse": 110,
+      "#1a1a1a": 2,
+      ".btn": 506,
+      "mini": 34,
+      "collapse": 12,
+      "spacing": 3,
+      ".table": 180,
+      "th": 70,
+      "td": 66,
+      "#dddddd": 16,
+      "caption": 18,
+      "colgroup": 18,
+      "tbody": 68,
+      "condensed": 4,
+      "bordered": 76,
+      "separate": 4,
+      "*border": 8,
+      "topleft": 16,
+      "last": 118,
+      "topright": 16,
+      "tfoot": 12,
+      "bottomleft": 16,
+      "bottomright": 16,
+      "striped": 13,
+      "nth": 4,
+      "odd": 4,
+      "#f9f9f9": 12,
+      "cell": 2,
+      "td.span1": 2,
+      "th.span1": 2,
+      "td.span2": 2,
+      "th.span2": 2,
+      "td.span3": 2,
+      "th.span3": 2,
+      "td.span4": 2,
+      "th.span4": 2,
+      "td.span5": 2,
+      "th.span5": 2,
+      "td.span6": 2,
+      "th.span6": 2,
+      "td.span7": 2,
+      "th.span7": 2,
+      "td.span8": 2,
+      "th.span8": 2,
+      "td.span9": 2,
+      "th.span9": 2,
+      "td.span10": 2,
+      "th.span10": 2,
+      "td.span11": 2,
+      "th.span11": 2,
+      "td.span12": 2,
+      "th.span12": 2,
+      "tr.success": 4,
+      "#dff0d8": 6,
+      "tr.error": 4,
+      "#f2dede": 6,
+      "tr.warning": 4,
+      "#fcf8e3": 6,
+      "tr.info": 4,
+      "#d9edf7": 6,
+      "#d0e9c6": 2,
+      "#ebcccc": 2,
+      "#faf2cc": 2,
+      "#c4e3f3": 2,
+      "form": 38,
+      "fieldset": 2,
+      "legend": 6,
+      "#e5e5e5": 28,
+      ".uneditable": 80,
+      "#555555": 18,
+      "#cccccc": 18,
+      "inset": 132,
+      "transition": 36,
+      "linear": 204,
+      ".2s": 16,
+      "o": 48,
+      ".075": 12,
+      ".6": 6,
+      "multiple": 2,
+      "#fcfcfc": 2,
+      "allowed": 4,
+      "placeholder": 18,
+      ".radio": 26,
+      ".checkbox": 26,
+      ".radio.inline": 6,
+      ".checkbox.inline": 6,
+      "medium": 2,
+      "large": 40,
+      "xlarge": 2,
+      "xxlarge": 2,
+      "append": 120,
+      "prepend": 82,
+      "input.span12": 4,
+      "textarea.span12": 2,
+      "input.span11": 4,
+      "textarea.span11": 2,
+      "input.span10": 4,
+      "textarea.span10": 2,
+      "input.span9": 4,
+      "textarea.span9": 2,
+      "input.span8": 4,
+      "textarea.span8": 2,
+      "input.span7": 4,
+      "textarea.span7": 2,
+      "input.span6": 4,
+      "textarea.span6": 2,
+      "input.span5": 4,
+      "textarea.span5": 2,
+      "input.span4": 4,
+      "textarea.span4": 2,
+      "input.span3": 4,
+      "textarea.span3": 2,
+      "input.span2": 4,
+      "textarea.span2": 2,
+      "input.span1": 4,
+      "textarea.span1": 2,
+      "disabled": 36,
+      "readonly": 10,
+      ".control": 150,
+      "group.warning": 32,
+      ".help": 44,
+      "#dbc59e": 6,
+      ".add": 36,
+      "on": 36,
+      "group.error": 32,
+      "#d59392": 6,
+      "group.success": 32,
+      "#7aba7b": 6,
+      "group.info": 32,
+      "#7ab5d3": 6,
+      "invalid": 12,
+      "#ee5f5b": 18,
+      "#e9322d": 2,
+      "#f8b9b7": 6,
+      ".form": 132,
+      "actions": 10,
+      "#595959": 2,
+      ".dropdown": 126,
+      "menu": 42,
+      ".popover": 14,
+      "z": 12,
+      "index": 14,
+      "toggle": 84,
+      ".active": 86,
+      "#a9dba9": 2,
+      "#46a546": 2,
+      "prepend.input": 22,
+      "input.search": 2,
+      "query": 22,
+      ".search": 22,
+      "*padding": 36,
+      "image": 187,
+      "gradient": 175,
+      "#e6e6e6": 20,
+      "from": 40,
+      "to": 75,
+      "repeat": 66,
+      "x": 30,
+      "filter": 57,
+      "progid": 48,
+      "DXImageTransform.Microsoft.gradient": 48,
+      "startColorstr": 30,
+      "endColorstr": 30,
+      "GradientType": 30,
+      "#bfbfbf": 4,
+      "*background": 36,
+      "enabled": 18,
+      "false": 18,
+      "#b3b3b3": 2,
+      ".3em": 6,
+      ".2": 12,
+      ".05": 24,
+      ".btn.active": 8,
+      ".btn.disabled": 4,
+      "#d9d9d9": 4,
+      "s": 25,
+      ".15": 24,
+      "default": 12,
+      "opacity": 15,
+      "alpha": 7,
+      "class": 26,
+      "primary.active": 6,
+      "warning.active": 6,
+      "danger.active": 6,
+      "success.active": 6,
+      "info.active": 6,
+      "inverse.active": 6,
+      "primary": 14,
+      "#006dcc": 2,
+      "#0044cc": 20,
+      "#002a80": 2,
+      "primary.disabled": 2,
+      "#003bb3": 2,
+      "#003399": 2,
+      "#faa732": 3,
+      "#fbb450": 16,
+      "#ad6704": 2,
+      "warning.disabled": 2,
+      "#df8505": 2,
+      "danger": 21,
+      "#da4f49": 2,
+      "#bd362f": 20,
+      "#802420": 2,
+      "danger.disabled": 2,
+      "#a9302a": 2,
+      "#942a25": 2,
+      "#5bb75b": 2,
+      "#62c462": 16,
+      "#51a351": 20,
+      "#387038": 2,
+      "success.disabled": 2,
+      "#499249": 2,
+      "#408140": 2,
+      "#49afcd": 2,
+      "#5bc0de": 16,
+      "#2f96b4": 20,
+      "#1f6377": 2,
+      "info.disabled": 2,
+      "#2a85a0": 2,
+      "#24748c": 2,
+      "#363636": 2,
+      "#444444": 10,
+      "#222222": 32,
+      "#000000": 14,
+      "inverse.disabled": 2,
+      "#151515": 12,
+      "#080808": 2,
+      "button.btn": 4,
+      "button.btn.btn": 6,
+      ".btn.btn": 6,
+      "link": 28,
+      "url": 4,
+      "no": 2,
+      ".icon": 288,
+      ".nav": 308,
+      "pills": 28,
+      "submenu": 8,
+      "glass": 2,
+      "music": 2,
+      "envelope": 2,
+      "heart": 2,
+      "star": 4,
+      "user": 2,
+      "film": 2,
+      "ok": 6,
+      "remove": 6,
+      "zoom": 5,
+      "in": 10,
+      "out": 10,
+      "off": 4,
+      "signal": 2,
+      "cog": 2,
+      "trash": 2,
+      "home": 2,
+      "file": 2,
+      "time": 2,
+      "road": 2,
+      "download": 4,
+      "alt": 6,
+      "upload": 2,
+      "inbox": 2,
+      "play": 4,
+      "refresh": 2,
+      "lock": 2,
+      "flag": 2,
+      "headphones": 2,
+      "volume": 6,
+      "down": 12,
+      "up": 12,
+      "qrcode": 2,
+      "barcode": 2,
+      "tag": 2,
+      "tags": 2,
+      "book": 2,
+      "bookmark": 2,
+      "camera": 2,
+      "justify": 2,
+      "indent": 4,
+      "facetime": 2,
+      "picture": 2,
+      "pencil": 2,
+      "map": 2,
+      "marker": 2,
+      "tint": 2,
+      "edit": 2,
+      "share": 4,
+      "check": 2,
+      "move": 2,
+      "step": 4,
+      "backward": 6,
+      "fast": 4,
+      "pause": 2,
+      "stop": 32,
+      "forward": 6,
+      "eject": 2,
+      "chevron": 8,
+      "plus": 4,
+      "sign": 16,
+      "minus": 4,
+      "question": 2,
+      "screenshot": 2,
+      "ban": 2,
+      "arrow": 21,
+      "resize": 8,
+      "full": 2,
+      "asterisk": 2,
+      "exclamation": 2,
+      "gift": 2,
+      "leaf": 2,
+      "fire": 2,
+      "eye": 4,
+      "open": 4,
+      "close": 4,
+      "plane": 2,
+      "calendar": 2,
+      "random": 2,
+      "comment": 2,
+      "magnet": 2,
+      "retweet": 2,
+      "shopping": 2,
+      "cart": 2,
+      "folder": 4,
+      "hdd": 2,
+      "bullhorn": 2,
+      "bell": 2,
+      "certificate": 2,
+      "thumbs": 4,
+      "hand": 8,
+      "globe": 2,
+      "wrench": 2,
+      "tasks": 2,
+      "briefcase": 2,
+      "fullscreen": 2,
+      "toolbar": 8,
+      ".btn.large": 4,
+      ".large.dropdown": 2,
+      "group.open": 18,
+      ".125": 6,
+      ".btn.dropdown": 2,
+      "primary.dropdown": 2,
+      "warning.dropdown": 2,
+      "danger.dropdown": 2,
+      "success.dropdown": 2,
+      "info.dropdown": 2,
+      "inverse.dropdown": 2,
+      ".caret": 70,
+      ".dropup": 2,
+      ".divider": 8,
+      "tabs": 94,
+      "#ddd": 38,
+      "stacked": 24,
+      "tabs.nav": 12,
+      "pills.nav": 4,
+      ".dropdown.active": 4,
+      ".open": 8,
+      "li.dropdown.open.active": 14,
+      "li.dropdown.open": 14,
+      ".tabs": 62,
+      ".tabbable": 8,
+      ".tab": 8,
+      "below": 18,
+      "pane": 4,
+      ".pill": 6,
+      ".disabled": 22,
+      "*position": 2,
+      "*z": 2,
+      "#fafafa": 2,
+      "#f2f2f2": 22,
+      "#d4d4d4": 2,
+      "collapse.collapse": 2,
+      ".brand": 14,
+      "#777777": 12,
+      ".1": 24,
+      ".nav.pull": 2,
+      "navbar": 28,
+      "#ededed": 2,
+      "navbar.active": 8,
+      "navbar.disabled": 4,
+      "bar": 21,
+      "absolute": 8,
+      "li.dropdown": 12,
+      "li.dropdown.active": 8,
+      "menu.pull": 8,
+      "#1b1b1b": 2,
+      "#111111": 18,
+      "#252525": 2,
+      "#515151": 2,
+      "query.focused": 2,
+      "#0e0e0e": 2,
+      "#040404": 18,
+      ".breadcrumb": 8,
+      ".pagination": 78,
+      "span": 38,
+      "centered": 2,
+      ".pager": 34,
+      ".next": 4,
+      ".previous": 4,
+      ".thumbnails": 12,
+      ".thumbnail": 6,
+      "ease": 12,
+      "a.thumbnail": 4,
+      ".caption": 2,
+      ".alert": 34,
+      "#fbeed5": 2,
+      ".close": 2,
+      "#d6e9c6": 2,
+      "#eed3d7": 2,
+      "#bce8f1": 2,
+      "@": 8,
+      "keyframes": 8,
+      "progress": 15,
+      "stripes": 15,
+      "@keyframes": 2,
+      ".progress": 22,
+      "#f7f7f7": 3,
+      ".bar": 22,
+      "#0e90d2": 2,
+      "#149bdf": 11,
+      "#0480be": 10,
+      "deg": 20,
+      ".progress.active": 1,
+      "animation": 5,
+      "infinite": 5,
+      "#dd514c": 1,
+      "#c43c35": 5,
+      "danger.progress": 1,
+      "#5eb95e": 1,
+      "#57a957": 5,
+      "success.progress": 1,
+      "#4bb1cf": 1,
+      "#339bb9": 5,
+      "info.progress": 1,
+      "warning.progress": 1,
+      ".hero": 3,
+      "unit": 3,
+      "letter": 1,
+      ".media": 11,
+      "object": 1,
+      "heading": 1,
+      ".tooltip": 7,
+      "visibility": 1,
+      ".tooltip.in": 1,
+      ".tooltip.top": 2,
+      ".tooltip.right": 2,
+      ".tooltip.bottom": 2,
+      ".tooltip.left": 2,
+      "clip": 3,
+      ".popover.top": 3,
+      ".popover.right": 3,
+      ".popover.bottom": 3,
+      ".popover.left": 3,
+      "#ebebeb": 1,
+      ".arrow": 12,
+      ".modal": 5,
+      "backdrop": 2,
+      "backdrop.fade": 1,
+      "backdrop.fade.in": 1
+    },
     "Dart": {
       "class": 1,
       "Point": 7,
@@ -39496,6 +40247,7 @@
     "Ceylon": 50,
     "CoffeeScript": 2951,
     "Coq": 18259,
+    "CSS": 43867,
     "Dart": 68,
     "Delphi": 30,
     "Diff": 16,
@@ -39599,6 +40351,7 @@
     "Ceylon": 1,
     "CoffeeScript": 9,
     "Coq": 12,
+    "CSS": 2,
     "Dart": 1,
     "Delphi": 1,
     "Diff": 1,
@@ -39689,5 +40442,5 @@
     "Xtend": 2,
     "YAML": 1
   },
-  "md5": "a1b641b3e2c3d7f897afbcc4d8bf4282"
+  "md5": "98ddc204696b84bb42fd75ba9d22e0ca"
 }
\ No newline at end of file
diff --git a/test/test_language.rb b/test/test_language.rb
index 3ca231b5..efde9cf3 100644
--- a/test/test_language.rb
+++ b/test/test_language.rb
@@ -160,7 +160,7 @@ class TestLanguage < Test::Unit::TestCase
     assert_equal 'cpp',           Language['C++'].search_term
     assert_equal 'cfm',           Language['ColdFusion'].search_term
     assert_equal 'dpatch',        Language['Darcs Patch'].search_term
-    assert_equal 'ocaml',         Language['F#'].search_term
+    assert_equal 'fsharp'         Language['F#'].search_term
     assert_equal 'pot',           Language['Gettext Catalog'].search_term
     assert_equal 'irc',           Language['IRC log'].search_term
     assert_equal 'lhs',           Language['Literate Haskell'].search_term