inserido icone android, logo,ajustada a tela home e login

lib/widgets/button_default.dart

@@ -1,29 +1,46 @@
 import 'package:flutter/material.dart';
 import 'package:rkm/utils/color_palette.dart';
+
+import '../utils/const_variable.dart';
 class ButtonDefault extends StatelessWidget {
   var onPressed;
   String title;
   Color background;
   Color textColor;
+  Color borderColor;
+  double width;
+  double height;
 
   ButtonDefault({
     required this.onPressed,
     required this.title,
-    this.background = ColorPalette.primary,
-    this.textColor = ColorPalette.white
+    this.background = Colors.transparent,
+    this.textColor = ColorPalette.border,
+    this.borderColor = ColorPalette.border,
+    this.width = 100,
+    this.height = 50,
 });
 
   @override
   Widget build(BuildContext context) {
-    return TextButton(
-        onPressed: onPressed,
-        style: TextButton.styleFrom(
-          backgroundColor:  background,
-          foregroundColor:  textColor,
-        ),
-        child: Text(
-          title
-        )
+    return Container(
+      margin: ConstVariable().marginHightInput,
+      width: width,
+      height: height,
+      child: TextButton(
+          onPressed: onPressed,
+          style: TextButton.styleFrom(
+            backgroundColor:  background,
+            foregroundColor:  textColor,
+            side: BorderSide(width: 3,color: borderColor),
+          ),
+          child: Text(
+            title,
+            style: TextStyle(
+              fontSize: ConstVariable().fontSizeInput
+            ),
+          )
+      ),
     );
   }
 }