$gray-darker: lighten(#000, 13.5%) !default;
$gray-dark: lighten(#000, 20%) !default;
$gray: lighten(#000, 33.5%) !default;
$gray-light: lighten(#000, 60%) !default;
$gray-lighter: lighten(#000, 93.5%) !default;
$gray-lightest: lighten(#000, 97.25%) !default;
$brand-primary: #428bca !default;
$brand-success: #5cb85c !default;
$brand-info: #5bc0de !default;
$brand-warning: #f0ad4e !default;
$brand-danger: #d9534f !default;