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// ==UserScript==
// @name Gmail Toolbar Opacity
// @namespace Gmail Toolbar Opacity
// @version 1.06
// @description Gmail ToolTopbar Opacity for themes
// @include https://mail.google.com/mail/*
// @copyleft 2013+, lolo888
// ==/UserScript==
GM_addStyle('#gbx3, #gbx4 { opacity: 0.3 !important; }');