// ==UserScript==
// @name         meow meow
// @namespace    http://skeletonplanet.com/
// @version      0.1
// @description  meow
// @author       cat
// @match        https://twitter.com/*
// @match        https://mobile.twitter.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var stopcrop = function() {
        // find every div with data-testid='tweetPhoto'
        var photos = document.querySelectorAll(
          "div[data-testid='tweetPhoto']"
        );
        
        for(var elem of photos) {
            // stop twitter from messing up the margins
            elem.style = "margin: 0"
            
            var img = elem.querySelector('img')
            var height = img.naturalHeight
            var width = img.naturalWidth
            if(height !== 0) {
                elem.parentElement.parentElement.children[0].style =
                    "padding-bottom:" + (100 * height / width) + "%"
            }
        }
    }

    setInterval(stopcrop, 200);
})();