.image_slider{border:1px solid #ccc;width:1100px;position:relative}.image_slider img{width:100%}.image_slider .image_top{position:absolute;top:0;left:0;overflow:hidden;width:0}.image_slider .image_top img{width:1100px}.image_slider .overlay{position:absolute;top:0;left:0;right:0;bottom:0}.image_slider .marker{position:absolute;left:0;background-position:center;background-repeat:no-repeat;width:26px;height:26px;margin-left:-13px}.image_slider .marker_top{background-image:url('../../../fileadmin/templates/css/images/slider_top.png');top:0}.image_slider .marker_bottom{background-image:url('../../../fileadmin/templates/css/images/slider_bottom.png');bottom:0}