$row-width:  100% !default;
$col-count:    12 !default;
$col-gutter: 2rem !default;

$sm-max:  40.0rem !default;
$md-min:  40.1rem !default;
$md-max:  64.0rem !default;
$lg-min:  64.1rem !default;
$lg-max:  90.0rem !default;
$xg-min:  90.1rem !default;
$xg-max: 120.0rem !default;
$xx-min: 120.1rem !default;

$sm:    "only screen and (min-width: #{$sm-min}) and (max-width: #{$sm-max})";
$md:    "only screen and (min-width: #{$md-min}) and (max-width: #{$md-max})";
$md-up: "only screen and (min-width: #{$md-min})";
$lg:    "only screen and (min-width: #{$lg-min}) and (max-width: #{$lg-max})";
$lg-up: "only screen and (min-width: #{$lg-min})";
$xg:    "only screen and (min-width: #{$xg-min}) and (max-width: #{$xg-max})";
$xg-up: "only screen and (min-width: #{$xg-min})";
$xx-up: "only screen and (min-width: #{$xx-min})";

$use-sm:    true;
$use-md:    false;
$use-md-up: true;
$use-lg:    false;
$use-lg-up: true;
$use-xg:    false;
$use-xg-up: false;
$use-xx:    false;