{% codeExample 'if-parent-selector'%} @mixin app-background($color) { #{if(&, '&.app-background', '.app-background')} { background-color: $color; color: rgba(#fff, 0.75); } } @include app-background(#036); .sidebar { @include app-background(#c6538c); } === @mixin app-background($color) #{if(&, '&.app-background', '.app-background')} background-color: $color color: rgba(#fff, 0.75) @include app-background(#036) .sidebar @include app-background(#c6538c) {% endcodeExample %}