.nav-menu{
	width: 100px;
}
.nav-menu ul li{
	position: relative;
	line-height: 15px;
}
.nav-menu nav > ul > li{
	width: 110px;
	margin-bottom: .2em;
}
.nav-menu .jspPane>li>a{
	
}
.nav-menu ul li.page_item.works{
	z-index: 1;
}
.nav-menu ul li ul{
	position: absolute;
	left: 110px;
	top: 0px;
	width:200px;
	overflow: hidden;
	height: 400px;
	padding-top: 6px;
	padding-right: 10px;
	z-index: 100;
	opacity: 1;
	-webkit-transition: opacity .5s;
	-o-transition: opacity .5s;
	transition: opacity .5s;
	
	visibility: visible;
	transition: visibility 0s, opacity 0.5s linear;
}
.nav-menu ul li ul.hide{
	opacity: 0;
	visibility: hidden;
	z-index: 0;
}

.nav-menu ul.works-list .before-2000,
.nav-menu ul.works-list .after-2001{
	font-size: 12px;
	cursor: pointer;
}

.nav-menu ul.works-list li li:before {
	/*content: '-';*/
	color: rgb(143, 143, 143);
	font-weight: bold;
	font-size: 15px;
	margin-right: 5px;
}

.nav-menu ul.works-list li li{
	padding: 0 0 0 0;
	margin: 15px 0;
	line-height: 14px;
	-webkit-transition: padding .3s;
	-moz-transition: padding .3s;
	-ms-transition: padding .3s;
	-o-transition: padding .3s;
	transition: padding .3s;
}

.nav-menu .online-exhibition{
	line-height: 14px;
}

.nav-menu ul.works-list li li:hover{
	padding: 0 0 0 5px;
}

/*.main-content{
	padding-left: 15em;
}*/
.container{
	padding-bottom: 33px;
}


.before-2000 span .back,
.after-2001 span .back{
	display: none;
	font-size: 20px;
	line-height: 14px;
}