Index: wp-content/themes/twentyeleven/editor-blocks.css
===================================================================
--- wp-content/themes/twentyeleven/editor-blocks.css	(revision 53515)
+++ wp-content/themes/twentyeleven/editor-blocks.css	(working copy)
@@ -537,3 +537,7 @@
 :root .editor-styles-wrapper .has-white-background-color {
 	background-color: #fff;
 }
+.editor-styles-wrapper .wp-block-quote p {
+    font-weight: inherit;
+    font-style: inherit;
+}
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