#main_banner_wrap{position:relative;width:1282px;height:466px}
#main_banner_wrap .bx-controls-direction{position:absolute;bottom:0;right:0;z-index:100;height:47px}

#main_banner_wrap .bx-prev, #main_banner_wrap .bx-next{display:inline-block;width:47px;height:47px;text-indent:-999px;overflow:hidden}
#main_banner_wrap .bx-prev{background:url(btn.png)}
#main_banner_wrap .bx-next{background:url(btn.png) -48px;margin-left:2px}