changed dialog layout

lib/widgets/common/aves_dialog.dart

@@ -24,11 +24,18 @@ class AvesDialog extends AlertDialog {
                     // to size itself to the content intrinsic size,
                     // but the `ListView` viewport does not have one
                     width: 1,
+                    child: DecoratedBox(
+                      decoration: BoxDecoration(
+                        border: Border(
+                          bottom: Divider.createBorderSide(context, width: 1),
+                        ),
+                      ),
                       child: ListView(
                         shrinkWrap: true,
                         children: scrollableContent,
                       ),
                     ),
+                  ),
                 )
               : content,
           contentPadding: scrollableContent != null ? EdgeInsets.zero : EdgeInsets.fromLTRB(24, 20, 24, 24),
@@ -47,10 +54,14 @@ class DialogTitle extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Column(
+    return Container(
-      children: [
+      alignment: Alignment.center,
-        Padding(
       padding: const EdgeInsets.symmetric(vertical: 20),
+      decoration: BoxDecoration(
+        border: Border(
+          bottom: Divider.createBorderSide(context, width: 1),
+        ),
+      ),
       child: Text(
         title,
         style: TextStyle(
@@ -58,9 +69,6 @@ class DialogTitle extends StatelessWidget {
           fontFamily: 'Concourse Caps',
         ),
       ),
-        ),
-        Divider(height: 1),
-      ],
     );
   }
 }