updated for version 7.2a
diff --git a/runtime/syntax/css.vim b/runtime/syntax/css.vim
index 7f9ac25..a73836a 100644
--- a/runtime/syntax/css.vim
+++ b/runtime/syntax/css.vim
@@ -2,7 +2,7 @@
" Language: Cascading Style Sheets
" Maintainer: Claudio Fleiner <claudio@fleiner.com>
" URL: http://www.fleiner.com/vim/syntax/css.vim
-" Last Change: 2006 Jun 19
+" Last Change: 2007 Nov 06
" CSS2 by Nikolai Weibull
" Full CSS2, HTML4 support by Yeti
@@ -194,7 +194,7 @@
syn match cssSpecialCharQ +\\'+ contained
syn region cssStringQQ start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=cssUnicodeEscape,cssSpecialCharQQ
syn region cssStringQ start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=cssUnicodeEscape,cssSpecialCharQ
-syn match cssClassName "\.[A-Za-z][A-Za-z0-9-]\+"
+syn match cssClassName "\.[A-Za-z][A-Za-z0-9_-]\+"
if main_syntax == "css"
syn sync minlines=10