criada alguns widgets padrões e ajustada a tela de login

lib/widgets/input_text.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+import 'package:rkm/utils/color_palette.dart';
+
+class InputText extends StatelessWidget {
+  bool obscure;
+  var controller;
+  double fontSize;
+  String hint;
+  double width;
+
+  InputText({
+    required this.controller,
+    required this.width,
+    this.obscure = false,
+    this.fontSize = 20.0,
+    this.hint = '',
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: EdgeInsets.symmetric(horizontal: 10),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(15),
+        color: ColorPalette.border
+      ),
+      width: width,
+      child: TextFormField(
+        obscureText: this.obscure,
+        controller: this.controller,
+        style: TextStyle(
+          color: ColorPalette.white,
+          fontSize: this.fontSize,
+        ),
+        decoration: InputDecoration(
+          border: InputBorder.none,
+          hintText: this.hint,
+          hintStyle: TextStyle(
+            color: ColorPalette.white,
+            fontSize: this.fontSize,
+          )
+        )
+      ),
+    );
+  }
+}