Update runtime files.
diff --git a/runtime/syntax/css.vim b/runtime/syntax/css.vim
index f915b4d..19326d0 100644
--- a/runtime/syntax/css.vim
+++ b/runtime/syntax/css.vim
@@ -61,7 +61,7 @@
syn match cssClassNameDot contained '\.'
try
-syn match cssIdentifier "#[A-Za-zÀ-ÿ_@][A-Za-zÀ-ÿ0-9_@-]*"
+syn match cssIdentifier "#[A-Za-zÀ-ÿ_@][A-Za-zÀ-ÿ0-9_@-]*"
catch /^.*/
syn match cssIdentifier "#[A-Za-z_@][A-Za-z0-9_@-]*"
endtry
@@ -649,5 +649,5 @@
let &cpo = s:cpo_save
unlet s:cpo_save
-" vim: ts=8
+" vim: ts=8