Finished styling section.

namer_app/lib/main.dart

@@ -42,19 +42,21 @@ class MyHomePage extends StatelessWidget {
     var pair = appState.current;
 
     return Scaffold(
-      body: Column(
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
           children: [
-          Text('A random wordpair:'),
             BigCard(pair: pair),
+            SizedBox(height: 10.0), // Just a spacer.
             ElevatedButton(
               onPressed: () {
                 appState.getNext();
               },
               child: Text('Next'),
             ),
-
           ],
         ),
+      ),
     );
   }
 }
@@ -74,12 +76,15 @@ class BigCard extends StatelessWidget {
       color: theme.colorScheme.onPrimary,
     );
 
-
     return Card(
       color: theme.colorScheme.primary,
       child: Padding(
         padding: const EdgeInsets.all(15.0),
-        child: Text(pair.asLowerCase, style: style),
+        child: Text(
+          pair.asLowerCase,
+          style: style,
+          semanticsLabel: "${pair.first} ${pair.second}",
+        ),
       ),
     );
   }