// Layout helpers
.ui-helper {
  &-hidden {
    display: none;

    &-accessible {
      border: 0;
      clip: rect(0 0 0 0);
      height: 1px;
      margin: -1px;
      overflow: hidden;
      padding: 0;
      position: absolute;
      width: 1px;
    }
  }

  &-reset {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    line-height: 1.3;
    text-decoration: none;
    font-size: 100%;
    list-style: none;
  }

  &-clearfix {
    @include ui-clearfix;
  }

  &-zfix {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: absolute;
    opacity: 0;
  }
}