@-moz-document domain("google.co.jp") {
    div#leftnav {
        width: 1em; height: 1.5em; border: blue 1px solid;
	margin-top: -2em;
	padding-top: 1em;
	overflow: hidden;
    }
    div#leftnav:hover {
	width: 10em; height: auto;
	float: left !important;
    }
    div#leftnav div#ms ul:before {content: "検索ツール...[+]";}
    div#leftnav:hover div#ms ul:before {content: "";}
    /* div#ms ul li.mitem:after {content: "[+]";} */
    /* div#ms:hover ul li.mitem:after {content: "";} */
    div#center_col {
        border-left: none !important;
        margin: 0em 1em !important;
    }
}