@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("mail.google.com") {

blockquote textarea { 
	width: 700px !important;
	height: 200px !important;
	border: 1px solid #cccccc !important;
	padding: 5px !important;
	font-family: Arial, sans-serif !important;
	}

}