For both the "new" and "old" reddit, allows the image previews to be set to almost be fullscreen (so that the images are big but fit within your screen).
// ==UserScript==
// @name Reddit image-preview / gallery fixer (old and new)
// @description For both the "new" and "old" reddit, allows the image previews to be set to almost be fullscreen (so that the images are big but fit within your screen).
// @match https://www.reddit.com/*
// @match https://old.reddit.com/*
// @version 1.0.1
// @namespace https://greasyfork.org/users/1260957
// ==/UserScript==
(function() {
// Sets the height to 900px. Choose a height that fits well within your screen. I have a 1440 vertical resolution, and 900px works well for me (it fits almost the full screen).
// for the new reddit
const style = document.createElement('style');
style.textContent = `
/* for the new reddit */
figure > div, figure > div > img, figure > a > div, figure > a > div > img { height:900px; width:auto; }
figure > a > div > div { display:none;}
/* for the old reddit */
div.media-preview-content:not(.gallery-tile-content) img.preview { height:900px; width:auto;}
div.media-preview { max-width:100% !important;}
`;
document.head.appendChild(style);
document.querySelector('div[style="height:700px"]').setAttribute("style", "height:900px; width:auto;");
})();