SwiftUI vs. CSS Flexbox

Stacks and Spacers

HStack {

}

VStack(alignment: .leading) {

}

ZStack {

}

Spacer()

.hstack {
   display: flex;
   justify-content: center;
   align-items: center;
}
.vstack {
   display: flex;
   justify-content: center;
   align-items: center;
   flex-direction: column;
}
.vertical-alignment-leading {
   justify-content: flex-start;
}
.vertical-alignment-center {
   justify-content: center;
}
.vertical-alignment-trailing {
   justify-content: flex-end;
}