Add date display styling

launcher/style.css

@@ -6,6 +6,12 @@ window {
 }
 
 /* Large, prominent clock */
+label.date-display {
+  font-size: 30px;
+  font-weight: 500;
+  color: #fafafa;
+  padding-right: 30px;
+}
 label.clock-display {
   font-size: 32px;
   font-weight: 700;