Optimised Button's Layout

Onboarding footer was using the same settings for 3 buttons.

secant/Screens/Onboarding/OnboardingFooterView.swift

@@ -13,7 +13,6 @@ struct OnboardingFooterView: View {
     let animationDuration: CGFloat = 0.8
 
     var body: some View {
-        GeometryReader { proxy in
         WithViewStore(self.store) { viewStore in
             VStack(spacing: 5) {
                 Spacer()
@@ -24,10 +23,8 @@ struct OnboardingFooterView: View {
                             viewStore.send(.createNewWallet)
                         }
                     }
-                        .primaryButtonStyle
-                        .frame(height: proxy.size.height / 12)
-                        .padding(.horizontal, 15)
-                        .transition(.opacity)
+                    .createButtonStyle
+                    .buttonLayout()
                     
                     Button("Import an Existing Wallet") {
                         withAnimation(.easeInOut(duration: animationDuration)) {
@@ -35,9 +32,7 @@ struct OnboardingFooterView: View {
                         }
                     }
                     .secondaryButtonStyle
-                        .frame(height: proxy.size.height / 12)
-                        .padding(.horizontal, 15)
-                        .transition(.opacity)
+                    .buttonLayout()
                 } else {
                     Button("Next") {
                         withAnimation(.easeInOut(duration: animationDuration)) {
@@ -45,9 +40,7 @@ struct OnboardingFooterView: View {
                         }
                     }
                     .primaryButtonStyle
-                        .frame(height: 60)
-                        .padding(.horizontal, 28)
-                        .transition(.opacity)
+                    .buttonLayout()
                     
                     ProgressView(
                         "0\(viewStore.index + 1)",
@@ -62,6 +55,20 @@ struct OnboardingFooterView: View {
         }
     }
 }
+
+struct OnboardingFooterButtonLayout: ViewModifier {
+    func body(content: Content) -> some View {
+        content
+            .frame(height: 60)
+            .padding(.horizontal, 28)
+            .transition(.opacity)
+    }
+}
+
+extension View {
+    func buttonLayout() -> some View {
+        modifier(OnboardingFooterButtonLayout())
+    }
 }
 
 struct OnboardingFooterView_Previews: PreviewProvider {