Merge pull request #790 from CityOfBoston/DIG-4807

DIG-5596 Fix styling for visited button links in CK Editor

Author: subaha-cob

stylesheets/components/form/_button.styl

@@ -156,4 +156,7 @@
 
 #content a.btn:link, #content a.button:link, .main a.button:link, #content .button a:link
   text-decoration: none
-  background-image: none
+  background-image: none
+
+#content a.btn:visited, #content a.button:visited, .main a.button:visited, #content .button a:visited
+  color: #fff