/* Page Wrapper + Menu */

#page-wrapper {
  @include vendor('transition', 'opacity #{_duration(menu)} ease');
  opacity: 1;
  padding-top: 3em;

  &:before {
    background: rgba(0,0,0,0);
    content: '';
    display: block;
    display: none;
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: _misc(z-index-base) + 1;
  }
}