Tampermonkey script to change Outlook 365 fonts to Helvetica

tm-helvetica-o365.js

// ==UserScript==
// @name         Helveticize-Outlook365
// @namespace    https://flux.fm/
// @include      https://outlook.office.com/*
// @description  Make Outlook fonts better because the suck by default.
// @author       Andrew Rechenberg
// @match        https://outlook.office.com/*
// @grant        GM_addStyle
// @version      20210816
// ==/UserScript==

GM_addStyle ( `

    span:not(span[role=presentation]) {
        font-family:    Helvetica, arial, sans-serif !important;
    };

    span[role=presentation] {
        font-family: 'controlIcons';
    }
` );