easy — CS2 settings

cl_crosshairstyle 4;
cl_crosshairsize 1;
cl_crosshairthickness 1;
cl_crosshair_t 0;
cl_crosshairdot 0;
cl_crosshairgap -4;
cl_crosshair_drawoutline 0;
cl_crosshairusealpha 1;
cl_crosshairalpha 255;
cl_crosshaircolor 4;