Increase FPS :
for launch options = -novid -tickrate 64 -high -threads 4 +fps_max 0 +cl_showfps 1 +cl_interp 0 +cl_interp_ratio 1 +rate 128000 +cl_updaterate 128 +cl_cmdrate 128 +mat_queue_mode 2 -freq 60 -refresh 60 +cl_forcepreload 1 -nod3d9ex -nojoy
fps_max 400
fps_max_menu 120

Crosshair :
cl_crosshair_drawoutline "1"
cl_crosshair_dynamic_maxdist_splitratio "0.35"
cl_crosshair_dynamic_splitalpha_innermod "1"
cl_crosshair_dynamic_splitalpha_outermod "0.5"
cl_crosshair_dynamic_splitdist "7"
cl_crosshair_friendly_warning "1"
cl_crosshair_outlinethickness "1.000000"
cl_crosshair_sniper_show_normal_inaccuracy "0"
cl_crosshair_sniper_width "1"
cl_crosshair_t "0"
cl_crosshairalpha "200"
cl_crosshaircolor "5"
cl_crosshaircolor_b "255"
cl_crosshaircolor_g "0"
cl_crosshaircolor_r "255"
cl_crosshairdot "0"
cl_crosshairgap "-2.000000"
cl_crosshairgap_useweaponvalue "0"
cl_crosshairsize "1.500000"
cl_crosshairstyle "4"
cl_crosshairthickness "0.000000"
cl_crosshairusealpha "1"
cl_fixedcrosshairgap "3"

Mouse :
DPI 800
Mouse sensitivity in game 1.5