better visual coherence

frontend/lib/pages/new_trip_preferences.dart

@@ -28,25 +28,26 @@ class _NewTripPreferencesPageState extends State<NewTripPreferencesPage> {
           //     child: Icon(Icons.person, size: 100),
           //   )
           // ),
+          Padding(padding: EdgeInsets.only(top: 30)),
           Center(
             child: FutureBuilder(
               future: widget.trip.cityName,
               builder: (context, snapshot) => Text(
-                'New trip to ${snapshot.hasData ? snapshot.data! : "..."}',
-                style: TextStyle(fontSize: 24)
+                'Your trip to ${snapshot.hasData ? snapshot.data! : "..."}',
+                style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold)
               )
             )
           ),
 
-          Divider(indent: 25, endIndent: 25, height: 50),
-
           Center(
             child: Padding(
-            padding: EdgeInsets.only(left: 10, right: 10, top: 0, bottom: 10),
+            padding: EdgeInsets.only(left: 10, right: 10, top: 20, bottom: 0),
               child: Text('Tell us about your ideal trip.', style: TextStyle(fontSize: 18))
             ),
           ),
 
+          Divider(indent: 25, endIndent: 25, height: 50),
+
           durationPicker(preferences.maxTime),
 
           preferenceSliders([preferences.sightseeing, preferences.shopping, preferences.nature]),
@@ -63,7 +64,7 @@ class _NewTripPreferencesPageState extends State<NewTripPreferencesPage> {
       shadowColor: Colors.grey,
       child: ListTile(
         leading: Icon(Icons.timer),
-        title: Text('How long should the trip be?'),
+        title: Text(preferences.maxTime.description),
         subtitle: CupertinoTimerPicker(
           mode: CupertinoTimerPickerMode.hm,
           initialTimerDuration: Duration(minutes: 90),
@@ -84,8 +85,6 @@ class _NewTripPreferencesPageState extends State<NewTripPreferencesPage> {
       for (SinglePreference pref in prefs) {
       sliders.add(
         Card(
-          margin: const EdgeInsets.only(left: 10, right: 10, top: 10, bottom: 0),
-          shadowColor: Colors.grey,
           child: ListTile(
             leading: pref.icon,
             title: Text(pref.name),