use structs to draw custom map pointers

frontend/lib/pages/profile.dart

@@ -24,11 +24,14 @@ class _ProfilePageState extends State<ProfilePage> {
           child: Text('Curious traveler', style: TextStyle(fontSize: 24))
         ),
 
-        Padding(
-          padding: EdgeInsets.all(10),
-        ),
+        Padding(padding: EdgeInsets.all(10)),
+        Divider(indent: 25, endIndent: 25),
+        Padding(padding: EdgeInsets.all(10)),
 
-        Text('Please rate your preferences for the following activities:'),
+        Padding(
+          padding: EdgeInsets.only(left: 10, right: 10, top: 0, bottom: 10),
+          child: Text('Please rate your personal preferences so that we can taylor your experience.', style: TextStyle(fontSize: 20), )
+        ),
 
         // Now the sliders
         ImportanceSliders()