tweak ui

Author: fadi-george

examples/demo/lib/screens/home_screen.dart

@@ -67,6 +67,7 @@ class _HomeScreenState extends State<HomeScreen> {
 
     return Scaffold(
       appBar: AppBar(
+        centerTitle: true,
         title: Row(
           mainAxisSize: MainAxisSize.min,
           children: [

examples/demo/lib/widgets/section_card.dart

@@ -15,7 +15,7 @@ class SectionCard extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
+      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [