Discord.Net/docs/_template/light-dark-theme/styles/plugin-featherlight.js

// MIT License

// Copyright (c) 2017 Roel Fauconnier

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

$(document).ready(function() {
        //find all images, but not the logo, and add the lightbox
        $('img').not('#logo').each(function(){
            var $img = $(this);
            var filename = $img.attr('src')
            //add cursor
            $img.css('cursor','zoom-in');
            $img.css('cursor','-moz-zoom-in');
            $img.css('cursor','-webkit-zoom-in');

            //add featherlight
            $img.attr('alt', filename);
            $img.featherlight(filename);
    });
});