Firefox revert github black bar

revert-github-black-bar-firefox.css

/**
 * You can change the github black bar using the stylish addon for firefox
 * https://addons.mozilla.org/en-US/firefox/addon/stylish/
 * Below is the css to revert the black bar to it's original grey
 */

@namespace url(http://www.w3.org/1999/xhtml);
@-moz-document domain("github.com") {
	.header {
		background-color: #F5F5F5;
		color: #555555;
	}
	.header-nav-link {
		color: #555555;
	}
	.header-nav-link:hover,
	.header-nav-link:focus,
	.header-nav-link:active {
		color: #444444;
	}
	.header a:not(.dropdown-item) {
		color: #555555;
	}
	.header a:not(.dropdown-item):hover,
	.header a:not(.dropdown-item):focus,
	.header a:not(.dropdown-item):active {
		color: #444444;
	}
	.header .header-search-input {
		background-color: #FFF;
		color: #555555;
		border: 1px solid #ebebeb;
	}
	.header {
		border-bottom: 1px solid #ebebeb;
	}
	.header .header-search-input::-moz-placeholder {
		color: #A4A4A4;
	}
	.header-nav-link:hover .dropdown-caret,
	.header-nav-link:focus .dropdown-caret {
		border-top-color: #444;
	}
	.header-search-scope {
		background-image: linear-gradient(#fcfcfc, #eee);
		border: 1px solid #ebebeb;
	}
	.header .header-search-scope,
	.scoped-search .form-control.focus .header-search-scope {
		border-right-color: #ebebeb;
		color: #888;
	}
	.notification-indicator .mail-status {
		border-color: #F5F5F5;
	}
}