@import "compass/css3/transition";
@import "compass/css3/box-shadow";

.kwfUtilsStickyHeader {
   @include transition-property(all);
   @include transition-duration(0.6s);

   &.stick {
        @include box-shadow;
    }
}
@import "compass/css3/transition";
@import "compass/css3/box-shadow";

.kwfUtilsStickyHeader {
   @include transition-property(all);
   @include transition-duration(0.6s);

   &.stick {
        @include single-box-shadow;
    }
}
Use include which can be called without arguments
Use include which can be called without arguments
