.ss-iw {

  &.default {

    & > .ss-slide {
      position:absolute;
      left:0;
      top:0;
      z-index:0;
      opacity:0;

      &.active,
      &.in {
        z-index:1;
        opacity:1;
      }

      &.in,
      &.out {

        @include transition-property( opacity );
        @include transition-timing-function( ease-in-out )

      }

      &.active {
        &.out {
          z-index:0;
          opacity:0;
        }
      }

    }
  }
}