// Single side border-radius @mixin border-top-radius($radius) { border-top-left-radius: $radius; border-top-right-radius: $radius; } @mixin border-right-radius($radius) { border-top-right-radius: $radius; border-bottom-right-radius: $radius; } @mixin border-bottom-radius($radius) { border-bottom-right-radius: $radius; border-bottom-left-radius: $radius; } @mixin border-left-radius($radius) { border-top-left-radius: $radius; border-bottom-left-radius: $radius; }