// --------------------------------------------------------------------
//
// ==UserScript==
// @name          GMail-in-Corbel
// @namespace     http://www.pdos.csail.mit.edu/~petar/
// @description   Change all GMail fonts to Corbel
// @include       http://mail.google.com/*
// ==/UserScript==

function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}

addGlobalStyle(
'body,td,a,p,.h,* {' +
'  font-family: Corbel inherit ! important;' +
'}'
);