.bx-wrapper {
    width: 100%;
    margin: 0 auto;
    position: relative;
}
.bx-wrapper li{
    height:180px;
    text-align:center;
}
.bx-wrapper .bx-pager {
    text-align: center;
    margin-top: 5px;
}
.bx-wrapper .bx-pager .bx-pager-item {
    display: inline-block;
    *zoom: 1;
    *display: inline;
}

.bx-wrapper .bx-controls-direction {
    position:absolute;
    top:0;
    left:0;
    width:100%;
}

.bx-wrapper .bx-prev {
    position:absolute;
    left: -30px;
    top:75px;
    width:25px;
    height:44px;
}
.bx-wrapper .bx-next {
    position:absolute;
    right: -30px;
    top:75px;
    width:25px;
    height:44px;
}