themes/ignite-shop/webapp/ignite/scss/bootstrap_src/mixins/_background-variant.scss
// Contextual backgrounds
@mixin bg-variant($parent, $color) {
#{$parent} {
background-color: $color !important;
}
a#{$parent} {
@include hover-focus {
background-color: darken($color, 10%) !important;
}
}
}