diff --git a/wp-content/themes/twentyeleven/style.css b/wp-content/themes/twentyeleven/style.css
index 9f6f1caf8a..f78fdddba2 100644
--- a/wp-content/themes/twentyeleven/style.css
+++ b/wp-content/themes/twentyeleven/style.css
@@ -962,12 +962,15 @@ a:active img[class*="wp-image-"],
 	border-color: #ddd;
 }
 
-/* Make sure embeds and iframes fit their containers */
+/* Make sure videos and embeds fit their containers */
 embed,
 iframe,
 object {
 	max-width: 100%;
 }
+.entry-content .twitter-tweet-rendered {
+	max-width: 100% !important; /* Override the Twitter embed fixed width */
+}
 
 /* Password Protected Posts */
 .post-password-required .entry-header .comments-link {