Improve contrast for settings pages (fixes #173)

app/assets/stylesheets/forms.scss

@@ -44,7 +44,7 @@ code {
     label {
       font-family: 'Roboto';
       font-size: 14px;
-      color: #9baec8;
+      color: white;
       display: block;
     }
 
@@ -161,11 +161,10 @@ code {
   text-align: center;
 
   a {
-    color: #9baec8;
+    color: white;
     text-decoration: none;
 
     &:hover {
-      color: #d9e1e8;
       text-decoration: underline;
     }
   }