There are 1 previous version of this script.
// ==UserScript==
// @name Gmail basic HTML fixed width font
// @namespace
// @description Read and write using a fixed width font in gmail's basic HTML view.
// @include http://mail.google.com/*
// @include https://mail.google.com/*
// ==/UserScript==
function addGlobalStyle(css) {
var head, style, t, s;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
t = document.getElementsByName('body')[0];
t.id = 'mb';
s = document.getElementsByName('subject')[0];
s.id = 'su';
}
addGlobalStyle('.msg, textarea#to, input#cc, input#bcc, input#su, textarea#mb { font-family: MonoSpace; font-size: 9pt; !important; }');