HideScoresPCS.js

// ==UserScript==
// @name         HideScoresPCS
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://new.precisionconference.com/chi21b/committee/subs/*
// @run-at       document-end
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var style = document.createElement("style");
    var styleContent = document.createTextNode("td[style] { color: white; }");
    style.appendChild(styleContent);
    var caput = document.getElementsByTagName("head");
    caput[0].appendChild(style);
})();