style "notebook" { engine "pixmap" { image { function = EXTENSION state = ACTIVE file = "notebook/tab-normal.png" border = {20, 20, 0, 0} stretch = TRUE gap_side = TOP } image { function = EXTENSION file = "notebook/tab-active.png" border = {20, 20, 0, 0} stretch = TRUE gap_side = TOP } image { function = BOX_GAP gap_side = BOTTOM shadow = OUT file = "transparency100.png" } } xthickness = 0 ythickness = 0 } class "GtkNotebook" style "notebook"