When programming with [[SwiftUI]], we could try to have some code like:
```swift
struct ContentView: View {
var body: some View {
VStack {
Image(systemName: "globe")
.imageScale(.large)
.foregroundStyle(.tint)
Text("Hello, world!")
}
.padding()
.background(.red) // <-- this!
}
}
```
We could expect that code to show the boilerplate code and tint the whole screen red. That will not happen thought: it will only fill the boundaries of the current [[SwiftUI Views|view]], leaving a huge white space around.
There is a common impulse to think "_how can I fill the space behind with that color?_". It is paramount to understand that **you should not**. **There is nothing behind our [[SwiftUI Views|views]]** (except `UIHostingController` which you should definitely not touch).
Instead, you should modify your current [[SwiftUI Views|view]]'s `.frame(maxWidth: .infinity, maxHeight: .infinity)` or use a `ZStack` if needed. **As a [[SwiftUI]] developer, there is nothing else but your views**.