diff --git a/src/dom_components/config/config.js b/src/dom_components/config/config.js
index 25095b70a..470c58a62 100644
--- a/src/dom_components/config/config.js
+++ b/src/dom_components/config/config.js
@@ -14,7 +14,8 @@ module.exports = {
     components: [],
     traits: [],
     stylable: ['background','background-color','background-image',
-      'background-repeat','background-attachment','background-position'],
+      'background-repeat','background-attachment','background-position',
+      'background-size'],
   },
 
   // Could be used for default components