diff --git a/sublimity-map.el b/sublimity-map.el
index 2d792c1..e05b7cc 100644
--- a/sublimity-map.el
+++ b/sublimity-map.el
@@ -66,7 +66,8 @@
 (defcustom sublimity-map-criteria
   '((not (window-minibuffer-p))
     (or (derived-mode-p 'prog-mode)
-        (derived-mode-p 'text-mode))
+        (derived-mode-p 'text-mode)
+        (derived-mode-p 'css-mode))
     (<= (/ sublimity-map-size (window-total-width) 1.0)
         sublimity-map-max-fraction))
   "sexps that must be evaluated to non-nil when creating minimap"