Improves usability of Twitter Web

ImproveTwitterWeb.user.js

// ==UserScript==
// @name         ImproveTwitterWeb
// @version      0.1
// @description  Improves usability of Twitter Web
// @author       Michael Usher
// @match        https://www.twitter.com/*
// @match        https://twitter.com/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

var $ = window.jQuery;
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;

$(document).ready(function(){
    var update_css = `
/* Hide any content that is dismissable */
.dismissible-content {
  display: none;
}
/* Make videos smaller */
.AdaptiveMedia-video {
  width: 100px;
}

/* Make images smaller */
.AdaptiveMedia.is-square {
  width: 100px;
  height: auto;
}

/* Remove top position from thumbnails */
.AdaptiveMedia-photoContainer img {
  top: initial !important;
}

/* Double image containers */
div.AdaptiveMedia-doublePhoto div.AdaptiveMedia-halfwidthPhoto {
  width: 100px;
}

/* Hide large images on links */
.SummaryCard-image {
 display: none;
}

/* Show links */
a.twitter-timeline-link.u-hidden {
  display: inline-block !important;
  margin-left: 5px;
}

/* Hide large summary cards */
div.card-type-summary,
div.card-type-summary_large_image {
   display: none;
}

`;

    $("<style>").prop("type", "text/css").html(update_css).appendTo("head");


    var obs = new MutationObserver (clickNewTweetHandler);
    var obsConfig = { childList: true, characterData: true, attributes: true, subtree: true };
    var obsRoot = $('.stream-container');

    obsRoot.each(function() { obs.observe(this, obsConfig); });
    function clickNewTweetHandler(m) {
        if ($('.new-tweets-bar').length > 0) { $('.new-tweets-bar').click() ; }
    }
});