.topp{
  width:100%;
  height:100%;
  overflow:hidden;
  margin:0 auto;
  }
.main_banner1{
	background:url(/public/index/img/banner_01.jpg) no-repeat center top;
  background-size:contain;
  }
.slider{
  width:100%;
  height:100%;
  margin-top:5%;
  margin-bottom:22%;
  margin-right:auto;
  margin-left:auto;
  position:relative;
  background:url(/public/index/img/bar_01.png) no-repeat center top;
  }
.slider_menu{
  width:100%;
  height:60px;
  position:absolute;
  cursor:pointer;

  }

.slider_menuright{
  background:url(/public/index/img/rotaright1.png) no-repeat;
  right:0%;
  top:145%;
  background-size:contain;

  }
.slider_menuright:hover{
	background:url(/public/index/img/rotaright.png) no-repeat;
	 background-size:contain;
  }
.slider_menubar {
	height: 203px;
	display: block;
}