a[href='https://www.froala.com/wysiwyg-editor?k=u']{
  color: rgba(0,0,0,0);
  background: rgba(0,0,0,0);
  height: 0;
  width: 0;
  font-size: 0;
  position: absolute;
  top: -1000px;
  left: -1000px;
  z-index: -1000;
}