CSS: Fix avatar location on small screens

Fixes jquery/jquery-wp-content#274
Ref gh-2

Author: SaraJo

jquery/css/blog.css

@@ -43,7 +43,7 @@
 	border: 1px solid #ddd;
 	-moz-border-radius: 3px;
 	border-radius: 3px;
-	margin: 0 0 1.625em 50px;
+	margin: 0 0 1.625em 73px;
 	padding: 1.625em;
 	position: relative;
 }