Cascades Divider reproduced as custom component more or less

// Cascades Divider reproduced, including mystery margins
Container {
    preferredWidth: Infinity
    topMargin: 20
    bottomMargin: 20

    Container {
        horizontalAlignment: HorizontalAlignment.Fill
        preferredHeight: 1
        background: Color.create('#ffffff')
        opacity: 0.156
    }
    Container {
        horizontalAlignment: HorizontalAlignment.Fill
        preferredHeight: 2
        background: Color.create('#ffffff')
        opacity: 0.203
    }
    Container {
        horizontalAlignment: HorizontalAlignment.Fill
        preferredHeight: 1
        background: Color.create('#ffffff')
        opacity: 0.156
    }
}