Allowed numbers in properties (for CSS variables)
diff --git a/components/prism-css.js b/components/prism-css.js
index ca1345f..1428006 100644
--- a/components/prism-css.js
+++ b/components/prism-css.js
@@ -8,7 +8,7 @@ Prism.languages.css = {
},
'url': /url\((["']?).*?\1\)/gi,
'selector': /[^\{\}\s][^\{\};]*(?=\s*\{)/g,
- 'property': /(\b|\B)[a-z-]+(?=\s*:)/ig,
+ 'property': /(\b|\B)[\w-]+(?=\s*:)/ig,
'string': /("|')(\\?.)*?\1/g,
'important': /\B!important\b/gi,
'ignore': /&(lt|gt|amp);/gi,
diff --git a/components/prism-css.min.js b/components/prism-css.min.js
index 2c06ca9..d9c9614 100644
--- a/components/prism-css.min.js
+++ b/components/prism-css.min.js
@@ -1 +1 @@
-Prism.languages.css={comment:/\/\*[\w\W]*?\*\//g,atrule:{pattern:/@[\w-]+?.*?(;|(?=\s*{))/gi,inside:{punctuation:/[;:]/g}},url:/url\((["']?).*?\1\)/gi,selector:/[^\{\}\s][^\{\};]*(?=\s*\{)/g,property:/(\b|\B)[a-z-]+(?=\s*:)/ig,string:/("|')(\\?.)*?\1/g,important:/\B!important\b/gi,ignore:/&(lt|gt|amp);/gi,punctuation:/[\{\};:]/g};Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<|<)style[\w\W]*?(>|>)[\w\W]*?(<|<)\/style(>|>)/ig,inside:{tag:{pattern:/(<|<)style[\w\W]*?(>|>)|(<|<)\/style(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.css}}});
\ No newline at end of file
+Prism.languages.css={comment:/\/\*[\w\W]*?\*\//g,atrule:{pattern:/@[\w-]+?.*?(;|(?=\s*{))/gi,inside:{punctuation:/[;:]/g}},url:/url\((["']?).*?\1\)/gi,selector:/[^\{\}\s][^\{\};]*(?=\s*\{)/g,property:/(\b|\B)[\w-]+(?=\s*:)/ig,string:/("|')(\\?.)*?\1/g,important:/\B!important\b/gi,ignore:/&(lt|gt|amp);/gi,punctuation:/[\{\};:]/g};Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<|<)style[\w\W]*?(>|>)[\w\W]*?(<|<)\/style(>|>)/ig,inside:{tag:{pattern:/(<|<)style[\w\W]*?(>|>)|(<|<)\/style(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.css}}});
\ No newline at end of file
diff --git a/prism.js b/prism.js
index fe58f21..e90b947 100644
--- a/prism.js
+++ b/prism.js
@@ -420,7 +420,7 @@ Prism.languages.css = {
},
'url': /url\((["']?).*?\1\)/gi,
'selector': /[^\{\}\s][^\{\};]*(?=\s*\{)/g,
- 'property': /(\b|\B)[a-z-]+(?=\s*:)/ig,
+ 'property': /(\b|\B)[\w-]+(?=\s*:)/ig,
'string': /("|')(\\?.)*?\1/g,
'important': /\B!important\b/gi,
'ignore': /&(lt|gt|amp);/gi,