userContent.css

/**
 * Implements http://meta.stackoverflow.com/a/270612/526741
 *
 * 1. Go to Help > Troubleshooting Information in Firefox
 * 2. Click "Open Directory" next to "Profile Directory"
 * 3. Open (or create) "chrome" directory
 * 4. Edit (or create) "userContent.css" in the "chrome" directory
 * 5. Set contents of file to this file
 */
@-moz-document domain(stackoverflow.com) {
	blockquote {
		background:#fff9e3 !important;
		border-left:2px solid #ffeb8e !important;
	}
	pre {
		border-left:2px dotted #ccc !important;
	}
}