Improve UI

Highlight future transactions
clarify settings are for budget

web/static/css/main.css

@@ -65,9 +65,13 @@ body {
     text-align: right;
 }
 
+/* Highlights */
 .negative {
     color: #d50000;
 }
 .zero {
     color: #888888;
+}
+.future {
+    background-color: #cccccc;
 }