Go here:
Create the crosshair you currently use and post it here.
Mine, a yellow dot.
cl_crosshairalpha "255"
cl_crosshaircolor "5"
cl_crosshaircolor_b "0"
cl_crosshaircolor_r "255"
cl_crosshaircolor_g "255"
cl_crosshairdot "1"
cl_crosshairgap "0"
cl_crosshairsize "0"
cl_crosshairstyle "5"
cl_crosshairusealpha "1"
cl_crosshairthickness "2"
cl_fixedcrosshairgap "0"
cl_crosshair_outlinethickness "0"
cl_crosshair_drawoutline "0"