.obert {
	font: 21px "Lucida Grande", Lucida, Verdana, sans-serif;
	text-decoration: none;
	color: white;
	text-align: center;
	background-color: #b9fd51;
	display: block;
	height: 47px;
	background-image: url(../imatges_construccio/menu_open.jpg);
	margin-top: -13px;
}