welcome screen

lib/main.dart

@@ -12,6 +12,8 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
+      debugShowCheckedModeBanner: false,
+
       title: 'Flutter Demo',
       theme: ThemeData(
         // This is the theme of your application.

lib/views/welcome_screen.dart

@@ -8,12 +8,71 @@ class WelcomeScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return Stack(
       children: [
+        Container(
+          width: MediaQuery.of(context).size.width,
+          height: MediaQuery.of(context).size.height,
+          decoration: const BoxDecoration(
+              gradient: LinearGradient(
+            begin: Alignment.topLeft,
+            end: Alignment.bottomRight,
+            colors: [
+              Color(0xff19BDE0),
+              Color(0xff4A17DC),
+            ],
+          )),
+        ),
         Positioned(
             bottom: 0,
             child: Image(
                 width: MediaQuery.of(context).size.width,
                 image: AssetImage("assets/images/background_welcomepage.png"))),
+        SizedBox(
+          width: MediaQuery.of(context).size.width,
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              SizedBox(
+                height: 20,
+              ),
+              Image(
+                  width: MediaQuery.of(context).size.width - 70,
+                  image: AssetImage("assets/images/icon_bowl_in.png")),
+              Spacer(),
+              ButtonConnexion(),
+              SizedBox(
+                height: 60,
+              )
+            ],
+          ),
+        ),
       ],
     );
   }
 }
+
+class ButtonConnexion extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return ElevatedButton(
+      onPressed: () {},
+      child: Icon(
+        Icons.arrow_forward_rounded,
+        color: Colors.white,
+        size: 50.0,
+      ),
+      style: ElevatedButton.styleFrom(
+        side: BorderSide(
+          width: 7,
+          color: Color(0xffFF419B),
+        ),
+        onPrimary: Colors.white,
+        primary: Color(0xffF40375),
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(35),
+        ),
+        minimumSize: Size(90, 90),
+      ),
+    );
+  }
+}