@mixin radius ($rad: $radius) {
  @include radius-top($rad);
  @include radius-bottom($rad);
}

@mixin radius-top ($rad: $radius) {
  @include radius-top-left($rad);
  @include radius-top-right($rad);
}

@mixin radius-bottom ($rad: $radius) {
  @include radius-bottom-left($rad);
  @include radius-bottom-right($rad);
}



@mixin radius-left ($rad: $radius) {
  @include radius-top-left($rad);
  @include radius-bottom-left($rad);
}

@mixin radius-right ($rad: $radius) {
  @include radius-top-right($rad);
  @include radius-bottom-right($rad);
}



@mixin radius-top-left ($rad: $radius) {
  border-top-left-radius: $rad;
}

@mixin radius-top-right ($rad: $radius) {
  border-top-right-radius: $rad;
}

@mixin radius-bottom-left ($rad: $radius) {
  border-bottom-left-radius: $rad;
}

@mixin radius-bottom-right ($rad: $radius) {
  border-bottom-right-radius: $rad;
}