Unfortunate this isn’t working I already study this documentation. I cannot find default grid in variables.less. I only found this code but although I try to change everything it won’t work in JA PLaton!
// Container sizes
// --------------------------------------------------
// Small screen / tablet
@container-tablet: ((720px + @grid-gutter-width));
@container-sm: @container-tablet;
// Medium screen / desktop
@container-desktop: ((940px + @grid-gutter-width));
@container-md: @container-desktop;
// Large screen / wide desktop
@container-large-desktop: ((1140px + @grid-gutter-width));
@container-lg: @container-large-desktop;
// HD screen
@container-hd-desktop: ((1440px + @grid-gutter-width));
@container-hd: @container-hd-desktop;