``` tableRowCell { borderColor += box(...

# tornadofx

[bjonnh]

tableRowCell {
            borderColor += box(Color.color(0.7, 0.7, 0.7))
            borderWidth += box(0.px, 0.px, 1.px, 0.px)
        }

        tableCell {
            borderColor += box(Color.color(0.7, 0.7, 0.7))
            borderWidth += box(0.px, 0.px, 0.px, 1.px)
        }

Does it! Thanks @Shan