agile-poker-fullscreen.user.js

// ==UserScript==
// @name         Agile Poker Fullscreen
// @namespace    http://tampermonkey.net/
// @version      0.2
// @updateURL    https://gist.github.com/zzak/2dc3c582db686c02b4ec1fd313bb6e42/raw/agile-poker-fullscreen.user.js
// @description  Make the Agile Poker modal dialog fullscreen (desktop friendly)
// @author       Zachary Scott <zzak>
// @match        https://agile-poker-production.herokuapp.com/*
// @require      https://cdnjs.cloudflare.com/ajax/libs/arrive/2.4.1/arrive.min.js
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    document.arrive('.poker-fullscreen-dialog', () => {
    GM_addStyle(`
.poker-fullscreen-dialog {
    max-width: 100vw !important;
    margin: 20px !important;
    flex: 0 1 95% !important;
    max-height: 95%;
}

.issue-details-panel {
    flex: 0 0 45% !important;
}
`)
    });

})();