@import 'library'; body { color: $primary-color; background-color: darken($secondary-color, 10%); } %inverted { color: $secondary-color; background-color: $primary-color; @include font-smoothing; } .page-header { @extend %inverted; display: flex; } .page-footer { @extend %inverted; background-color: #14203B; a { color: darken(#fff, 10%); } }