.banner{position: relative;z-index: 2;width: 100%;height: 450px;overflow: hidden}.bannerContent{position: relative}.banner_item{opacity: 0;filter: alpha(opacity=0);position: absolute;left: -960px;margin-left: 50%;transition-duration: .6s;transition-property: opacity;transition-timing-function: ease}.banner_item a,.banner_item a img{display: block}.banner_active{opacity: 1;filter: alpha(opacity=100)}.navigator{position: absolute;bottom: 10px;width: 100%}.navigator_list{width: 40%;text-align: center;margin: auto;font-size: 0}.navigator_item{display: inline-block;margin-left: 10px;width: 10px;height: 10px;border-radius: 7px;font-size: 14px;line-height: 10px;color: #ffffff;text-align: center;border: 2px solid #FFFFFF;background: #333333;cursor: pointer}.navigator_item{*display: inline}.navigator_item_active{background: #FFFFFF}