.tt{
	position: relative;
	background: #eaeaea;
	display: inline-block;
	text-decoration: none;
	color: #222;
	outline: none;
}

.tt span{
	visibility: hidden;
	position: absolute;
	bottom: -10px;
	left: 50%;
	z-index: 999;
	width: 230px;
	margin-left: -127px;
	padding: 10px;
	border: 1px solid #ccc;
	opacity: 1;
	background-color: #ddd;
	background-image: -webkit-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -moz-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -ms-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: -o-linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	background-image: linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,0));
	-moz-border-radius: 4px;
	border-radius: 4px;
	-moz-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	-webkit-box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	box-shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.5) inset;
	text-shadow: 0 1px 0 rgba(255,255,255,.4);
}

.tt:hover{
	border: 0; /* IE6 fix */
}

.tt:hover span{
	visibility: visible;
}