Improve tablet/responsive padding

lib/ui/app/responsive_padding.dart

@@ -9,22 +9,26 @@ class ResponsivePadding extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    if (isMobile(context)) {
       return Padding(
-      padding: isMobile(context)
-          ? EdgeInsets.only(
+        padding: EdgeInsets.only(
             left: kMobileDialogPadding,
             top: kMobileDialogPadding,
             right: kMobileDialogPadding,
             bottom: kMobileDialogPadding +
-                  MediaQuery.of(context).viewInsets.bottom)
-          : EdgeInsets.only(
-              top: kMobileDialogPadding * 2,
-              bottom: (kMobileDialogPadding * 2) +
-                  MediaQuery.of(context).viewInsets.bottom,
-              left: kTabletDialogPadding,
-              right: kTabletDialogPadding,
-            ),
+                MediaQuery.of(context).viewInsets.bottom),
         child: child,
       );
+    } else {
+      return FractionallySizedBox(
+        child: Padding(
+            child: child,
+            padding: EdgeInsets.only(
+                top: kMobileDialogPadding * 2,
+                bottom: (kMobileDialogPadding * 2) +
+                    MediaQuery.of(context).viewInsets.bottom)),
+        widthFactor: .7,
+      );
+    }
   }
 }