Trello Style Tweaks

trello.user.js

// ==UserScript==
// @name          Trello Style Tweaks
// @namespace     http://userstyles.org
// @description	  Personal tweaks for trello.com
// @author        lmjabreu
// @homepage      trello.com
// @include       https://trello.com/*
// @include       https://www.trello.com/*
// @run-at        document-start
// ==/UserScript==
(function() {
var css = "#header {background: -webkit-gradient(linear,left top,left bottom,from(#333),to(#111)) !important;}\n.header-btn .header-btn-target {background: transparent !important;}\n.header-btn .header-btn-target:hover {background: #444 !important;color: #eee !important;}\n.header-btn .header-btn-target:active {background: #555 !important;}\n#board {background: none !important;background-image: url(https://twimg0-a.akamaihd.net/profile_background_images/339185512/ios-linen.jpg) !important;box-shadow: none !important;}";
if (typeof GM_addStyle != "undefined") {
	GM_addStyle(css);
} else if (typeof PRO_addStyle != "undefined") {
	PRO_addStyle(css);
} else if (typeof addStyle != "undefined") {
	addStyle(css);
} else {
	var heads = document.getElementsByTagName("head");
	if (heads.length > 0) {
		var node = document.createElement("style");
		node.type = "text/css";
		node.appendChild(document.createTextNode(css));
		heads[0].appendChild(node); 
	}
}
})();