/*@define-mixin ft $num {*/
  /*font-size: calc($(num)px * 2); !*px*!*/
/*}*/
/*@define-mixin bd $pos, $color {*/
  /*border-$(pos): 1px solid $color; !*no*!*/
/*}*/
/*@define-mixin bds $color {*/
  /*border: 1px solid $color; !*no*!*/
/*}*/
