criado os widgets dropdown_button_default.dart, subtitle_containers.dart, alert_dialog_default.dart e title_containers.dart.

e ajustada a tela main_procedures_screen.dart

lib/widgets/button_default.dart

@@ -6,6 +6,7 @@ class ButtonDefault extends StatelessWidget {
   var onPressed;
   String title;
   Color background;
+  Color disableColor;
   Color textColor;
   Color borderColor;
   double width;
@@ -17,6 +18,7 @@ class ButtonDefault extends StatelessWidget {
     this.background = Colors.transparent,
     this.textColor = ColorPalette.border,
     this.borderColor = ColorPalette.border,
+    this.disableColor = ColorPalette.border,
     this.width = 100,
     this.height = 50,
 });
@@ -31,6 +33,7 @@ class ButtonDefault extends StatelessWidget {
           onPressed: onPressed,
           style: TextButton.styleFrom(
             backgroundColor:  background,
+            disabledBackgroundColor: disableColor,
             foregroundColor:  textColor,
             side: BorderSide(width: 3,color: borderColor),
           ),