#slider {
    position: relative;
    width: 100%;
    overflow: hidden;
}

#slider li {
    position: absolute;
    top: 0;
    left: 0;
}

.caption {
    opacity: 0.8;
    background: #000;
    height: 33px;
    padding: 5px 0 0 0;
    color: #fff;
    text-align: center;
    font: 25px/1 '微软雅黑';
    z-index: 200;
    display: none;
}

.prev-link,
.next-link {
    display: block;
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-position: left top;
    position: absolute;
    bottom: 10px;
    z-index: 300;
}