$b-design-progress-circle-underlay-thin-width:$s-1;
$b-design-progress-circle-overlay-thin-width:$s-1;
$b-design-progress-circle-underlay-medium-width:$s-2;
$b-design-progress-circle-overlay-medium-width:$s-2;
$b-design-progress-circle-underlay-bold-width:$s-3;
$b-design-progress-circle-overlay-bold-width:$s-3;