.content_header{  position:relative; width:900px; height:40px; margin: 30px auto 0px auto; overflow: visible;}

.content_header a.logo_live_in_levis{ position:relative; background: url(../images/logo_live_in_levis.png) no-repeat; float:left; width: 160px; height: 35px; display:block; text-indent: -9999px; overflow: hidden; margin-left:20px; }
.content_header a.div_menu{ position:relative; float:left; width: 155px; height: 35px; display:block; text-indent: -9999px; overflow: hidden; }
.content_header a.div_menu:hover{ background-position: 0px -35px; }
.content_header a.menu_selected{ background-position: 0px -35px; }

a.menu_main{ background-image: url(../images/menu_main.png); }
a.menu_gallery{ background-image: url(../images/menu_gallery.png); }
a.menu_global_rule{ background-image: url(../images/menu_global_rule.png); margin-left:40px; }
a.menu_schedule{ background-image: url(../images/menu_schedule.png); margin-left:40px; }

.content_header_topmenu{  display:none; position:fixed;  min-width:320px; width: 100%;height:60px; margin-top:0px; overflow: visible; z-index: 1000;}
.content_header_topmenu_bg{ position:absolute;left:0;top:0; width: 100%;height:100%; background-color:#000; opacity:0.9;}
.content_header_topmenu a.logo_live_in_levis_topmenu{ display:block; position:relative; background: url(../images/logo_live_in_levis_topmenu.png) no-repeat center center;
	 width: 100%; height: 100%; text-indent: -9999px; margin: 0px auto; }

.content_topmenu{position:absolute;left:0;top:-200px;  width: 100%;height:185px; }
.content_topmenu_bg{ position:absolute;left:0;top:0; width: 100%;height:100%; background-color:#000; opacity:0.8;}

.content_header_topmenu a.top_menu{ position:relative;width: 100%px; height: 35px; background-position:center top; background-repeat:no-repeat; display:block; text-indent: -9999px; overflow: hidden;margin-left:0px;margin-top:10px; }
.content_header_topmenu a.top_menu:hover{ background-position: center -35px; }
.content_header_topmenu a.menu_selected{ background-position: center -35px; }

@media screen and (max-width: 510px) {
	.book_page{ margin-top:60px; }
	.content_header{ display:none; }
	.content_header_topmenu{  display:block; }
}