.fsa-whiteout {

  & {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    visibility: hidden;
    opacity: 0;
    background-color: transparentize($color-fsa-tertiary-900, .6);
  }

  &[aria-hidden="false"] {
    visibility: visible;
    opacity: 1;
    z-index: 1002;
  }

}