SeekButtonBody9.swift

    var body: some View {
        ZStack {
            Group {
                RoundArrowBackground()
                    .fill()
                    .opacity(backgroundOpacity)
                RoundArrow()
                    .stroke(lineWidth: 3)
                RoundArrowHead()
                    .fill()
            }
            .rotationEffect(rotation)
        
            // Duration label
            ScalableText(string: "\(interval)")
                .opacity(durationLabelOpacity)
            
            ScalableText(string: accumulationString, fontWeight: .bold, xOffset: xOffset)
                .opacity(accumulationLabelOpacity)
        }
        .accessibility(label: Text("Forward \(interval) seconds"))
        .accessibility(addTraits: .isButton)
        .accessibilityAction { self.performTap() }
        .contentShape(Rectangle())
        .onTapGesture { self.performTap() }
    }