Here we use two styles (Style) to get combined multiple symbol. On the first genre there sat a separate color (Fill Color) as fill color and a different color on the outer edge (Outline color) and a width of the outer edge (Width).
On the other genre there chose not to have a fill color, only the color and width of the outer edge (Outline color and Width). It is also stated that this should be phantom (Pattern) by 10 pixels filled color and 10 pixels between each filled color.
Example on legend
Example on map