Add visual indicator to staff posts

Idea stolen from AB

static/styles/beluga/style.css

@@ -2037,3 +2037,8 @@ caption {
 	border-bottom: 1px dashed #666;
 	font-weight: bold;
 }
+
+tbody .staff_post {
+	background: none;
+	background-color: #634852;
+}