-high -novid -nojoy +fps_max 0 -console -freq 144 -tickrate 128 -refresh 144


cl_crosshair_drawoutline "1"
cl_crosshair_dynamic_maxdist_splitratio "0"
cl_crosshair_dynamic_splitalpha_innermod "1"
cl_crosshair_dynamic_splitalpha_outermod "1"
cl_crosshair_dynamic_splitdist "11"
cl_crosshair_friendly_warning "1"
cl_crosshair_outlinethickness "1"
cl_crosshair_sniper_show_normal_inaccuracy "0"
cl_crosshair_sniper_width "1"
cl_crosshair_t "0"
cl_crosshairalpha "999'"
cl_crosshaircolor "5"
cl_crosshaircolor_b "0"
cl_crosshaircolor_g "0"
cl_crosshaircolor_r "255"
cl_crosshairdot "0"
cl_crosshairgap "-2"
cl_crosshairgap_useweaponvalue "0"
cl_crosshairscale "0"
cl_crosshairsize "2"
cl_crosshairstyle "4"
cl_crosshairthickness "1"
cl_crosshairusealpha "1"
cl_fixedcrosshairgap "3"

practice :
sv_cheats 1; mp_ignore_round_win_conditions 1; mp_maxmoney 60000; mp_startmoney 60000; mp_buytime 9999; mp_freezetime 0; mp_buy_anywhere 1; mp_roundtime 60; mp_roundtime_defuse 60; sv_showimpacts 1; sv_showimpacts_time 10; sv_grenade_trajectory 1; sv_grenade_trajectory_time 10; sv_infinite_ammo 1; mp_limitteams 0; mp_autoteambalance 0; ammo_grenade_limit_total 5; mp_restartgame 1;
Bonus : bind alt noclip.

https://www.tobyscs.com/csgo-grenade-practice-config/