@namespace url(http://www.w3.org/1999/xhtml);

input[type="password"] {
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5%2BAAAABGdBTUEAALGPC%2FxhBQAAABd0RVh0U29mdHdhcmUAUGFpbnQuTkVUIHYyLjW8h8n%2BAAAAJUlEQVQYV2P8DwQMUHD27FkGBpAACJw5cwZMgwVgHLAAMgckAAAYmjRqrBQcygAAAABJRU5ErkJggg%3D%3D) 
!important;
}