Add "supports" to list of CSS at-rules

* lisp/textmodes/css-mode.el (css-at-ids): Add "supports" at-rule.

diff --git a/lisp/textmodes/css-mode.el b/lisp/textmodes/css-mode.el
index 261826e8b26edc8851f842c082c00c0631e0d256..4d8170eda0629009eaad6c8396d16b62f2fe2227 100644 (file)
--- a/lisp/textmodes/css-mode.el
+++ b/lisp/textmodes/css-mode.el
@@ -56,7 +56,7 @@
 
 (defconst css-at-ids
   '("charset" "font-face" "import" "keyframes" "media" "namespace"
-    "page")
+    "page" "supports")
   "Identifiers that appear in the form @foo.")
 
 (defconst scss-at-ids