#slider {
    width: 977px;
    height: 327px;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#slider li {
    float: left;
    position: relative;
}

#slider li div {
	text-align:center;
	font-size: 12px;
    position: absolute;
	z-index: 0;
	left: 50%;
	margin-left: -50px;	
    width: 100px;
    background-color: #666666;
    color: #fff;
    padding: 8px;
}

.top {
    top: 0;
}

.bottom {
    bottom: 0;
}