Change the font on Roblox to Gotham
// ==UserScript==
// @name Roblox Gotham Font Changer
// @namespace http://tampermonkey.net/
// @version 0.12
// @description Change the font on Roblox to Gotham
// @author verticalfx
// @match *://*.roblox.com/*
// @grant none
// @run-at document-start
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// there is a variation between Gotham and Gotham SSm. I haven't been able to find an identical copy of the font with similar font weights that match.
// I would have self hosted but it goes against their terms of use. Best I can do for now.
var fontFaces = `
@font-face{font-family:'Gotham';font-style:normal;font-weight:400;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamBook.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:italic;font-weight:400;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamBookItalic.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:normal;font-weight:300;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamLight.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:italic;font-weight:300;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamLightItalic.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:normal;font-weight:500;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamMedium.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:italic;font-weight:500;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamMediumItalic.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:normal;font-weight:700;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamBold.woff) format('woff')}
@font-face{font-family:'Gotham';font-style:italic;font-weight:700;src:local('Gotham'),url(https://fonts.cdnfonts.com/s/14898/GothamBoldItalic.woff) format('woff')}
`;
// Apply Gotham as the primary font family with 'HCo Gotham SSm' as fallback
var css = `* { font-family: 'HCo Gotham SSm', 'Gotham' !important; }`;
var head = document.head || document.getElementsByTagName('head')[0];
var style = document.createElement('style');
head.appendChild(style);
style.type = 'text/css';
style.appendChild(document.createTextNode(fontFaces + css));
})();