Grid system
These are the recommendations to set up the values to use as your layout settings in your Sketch files.
Layout behaviors
Grids on breakpoints from S
to M
are fluid.

From L
to XXL
breakpoints you can use fixed or fluid grids to fit your needs.
fixed-grid

Sketch configuration
Breakpoint S
320px (Fluid)

360px (Fluid)

375px (Fluid)

Breakpoint M
680px (Fluid)

768px (Fluid)

Breakpoint L
1024px (Fixed & Fluid)

Breakpoint XL
1280px (Fixed & Fluid)

1366px (Fixed)

1366px (Fluid)

1440px (Fixed)

1366px (Fluid)

Breakpoint XXL
1920px (Fixed & Fluid)
