MarkdownUI.Theme()
.table { configuration in
        configuration.label
            .markdownTableBackgroundStyle(.init(background: { row, column in
                row == 0 ? .blue : .clear
            }))
            .markdownTableBorderStyle(
                TableBorderStyle([ // <----- It is now possible to pass an array here.
                    .init(visibleBorders: .insideBordersFirstRow, color: .green),
                    .init(visibleBorders: .insideBordersExceptFirstRow, color: .red)
                ], strokeStyle: .init(lineWidth: 1))
            )
            .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
            .overlay(
                RoundedRectangle(cornerRadius: 10, style: .continuous)
                .strokeBorder(.black, lineWidth: 1)
            )
    }
    .tableCell { configuration in
        configuration.label
            .markdownTextStyle {
                if configuration.row == 0 {
                    ForegroundColor(.white)
                }
            }
            .padding(.vertical, 6)
            .padding(.horizontal, 6)
    }