$gutter: size_unit();

$screen-xsm: 375px;
$screen-sm: 414px;
$screen-md: 768px;
$screen-lg: 1024px;
$screen-xlg: 1440px;

$max-width: $screen-lg;

$breakpoints: (
  xsm: $screen-xsm,
  sm: $screen-sm,
  md: $screen-md,
  lg: $screen-lg,
  xlg: $screen-xlg,
);