// 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;

}