My cross hair:

cl_crosshairalpha "200"
cl_crosshaircolor "5"
cl_crosshaircolor_b "50"
cl_crosshaircolor_r "50"
cl_crosshaircolor_g "250"
cl_crosshairdot "0"
cl_crosshairgap "-4"
cl_crosshairsize "3"
cl_crosshairstyle "3"
cl_crosshairusealpha "1"
cl_crosshairthickness "0.5"
cl_fixedcrosshairgap "-3"
cl_crosshair_outlinethickness "0"
cl_crosshair_drawoutline "0"