$progress-height:                   1rem !default;
$progress-font-size:                ($font-size-base * .75) !default;
$progress-bg:                       $gray-200 !default;
$progress-border-radius:            $border-radius !default;
$progress-box-shadow:               inset 0 .1rem .1rem rgba($black, .1) !default;
$progress-bar-color:                $white !default;
$progress-bar-bg:                   theme-color("primary") !default;
$progress-bar-animation-timing:     1s linear infinite !default;
$progress-bar-transition:           width .6s ease !default;