body {
    background: #eee;
    width: 100%;
    margin: 0;
    padding: 0;
}

.wrapper {
    display: block;
    margin: 150px auto;
    width: 1000px;
}

.yac {
    width: 1000px;
    height: 500px;
    position: relative;
    overflow: hidden;
}

.yac-indicators {
    position: absolute;
    padding: 0;
    bottom: 0px;
    width: 100%;
    text-align: center;
    z-index: 100;
}

.yac-indicators li {
    display: inline-block;
    width: 10px;
    height: 10px;
    border: 2px solid #fff;
    border-radius: 10px;
    margin: 2px;
    cursor: pointer;
}

.yac-indicators li.active {
    background-color: #fff;
}

.yac-inner div {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

.yac-inner .active {
    z-index: 1;
}