$name, $color in $colors {\n      @include background-variant($name, $color);\n    }\n  }\n}\n\n.bg-gray {\n  background-color: $gray-500;\n  color: color-yiq($gray-500);\n}\n\n.bg-gray-light {\n  background-color: lighten($gray-200, 3%);\n  color: color-yiq(lighten($gray-200, 3%)) !important;\n}\n\n.bg-black {\n  background-color: $black;\n  color: color-yiq($black) !important;\n}\n\n.bg-white {\n  background-color: $white;\n  color: color-yiq($white) !important;\n}\n\n// Gradient Background colors...

daff}.alert-primary hr{border-top-color:#9fcdff}.alert-primary .alert-link{color:#002752}.alert-secondary{color:#383d41;background-color:#e2e3e5;border-color:#d6d8db}.alert-secondary hr{border-top-color:#c8cbcf}.alert-secondary .alert-link{color:#202326}.alert-success{color:#155724;background-color:#d4edda;border-color:#c3e6cb}.alert-success hr{border-top-color:#b1dfbb}.alert-success .alert-link{color:#0b2e13}.alert-info{color:#0c5460;background-color:#d1ecf1;border-color:#bee5eb}.alert-info hr{...