.aurora {
  .icon-checkbox,
  .checkbox i {
    transition-duration: 150ms;
    &:after {
      content: 'checkbox_aurora';
      transition-duration: 150ms;
      font-size: 19px;
    }
    &:before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.1);
      opacity: 0;
      transition-duration: 150ms;
    }
  }
  .checkbox.active-state i:before {
    opacity: 1;
  }

  label.item-checkbox {
    position: relative;
    overflow: hidden;
    z-index: 0;
  }
}