#container {
 display: block;
 float: left;
 height: 460px;
 width: 950px;
 overflow: auto;
}
#prev {
 background-image: url("http://seesco123.cafe24.com/base/img/main/main_slider_LeftArrow.png");
 background-repeat: no-repeat;
 background-position: center center;
 display: block;
 float: left;
 height: 430px;
 width: 100px;
 position: relative;
 z-index: 99;
 cursor: pointer;
}
#next {
 background-image: url("http://seesco123.cafe24.com/base/img/main/main_slider_RightArrow.png");
 background-repeat: no-repeat;
 background-position: center center;
 display: block;
 float: right;
 height: 430px;
 width: 100px;
 position: relative;
 z-index: 99;
 cursor: pointer;
}
#main_slider {
 display: block;
 float: left;
 overflow: hidden;
 height: 430px;
 width: 950px;
 position: absolute;
}