.overlay ul {
	margin:0;
	padding:0;
	text-decoration:none;
	list-style:none;
}
li {
	padding:0;
	margin:0;
}
nav.wrap-nav {
	text-align:center;
	width:100%;
	position:relative;
	height:auto;
	overflow:hidden;
	background:none;
}
nav.wrap-nav ul {
	text-align:center;
}
nav.wrap-nav ul li {
	display:inline-block;
}
nav.wrap-nav ul li a {
	color:#333;
	display:inline-block;
	padding:1em 3em;
	text-decoration:none;
	border-bottom:2px solid #fff;
	transition-property:all .2s linear 0s;
	-moz-transition:all .2s linear 0s;
	-webkit-transition:all .2s linear 0s;
	-o-transition:all .2s linear 0s;
	font-size:16px;
}
nav.wrap-nav ul li a:hover {
	color: #34B484;
}
.button a {
	text-decoration:none;
}
/*overlay*/
.overlay {
	display:none;
	position:fixed;
	top:0;
	height:100%;
	width:100%;
	background:#333;
	overflow:auto;
	z-index:99999;
}
.wrap {
	color:#e9e9e9;
	text-align:center;
	max-width:90%;
	margin:0 auto;
}

.wrap ul.wrap-nav {
	border-bottom:1px solid #575757;
	padding:40px 0px 40px;
}
.wrap ul.wrap-nav-home {
	border-bottom:1px solid #575757;
	padding:50px 0px 50px;
}
.wrap ul.wrap-nav li {
	font-size:22px;
	display:inline-block;
	vertical-align:top;
	width:24%;
	position:relative;
}
.wrap ul.wrap-nav li a {
	color:#34B484;
	/*color: #008080;*/
	display:block;
	padding:8px 0;
	text-decoration:none;
	transition-property:all .2s linear 0s;
	-moz-transition:all .2s linear 0s;
	-webkit-transition:all .2s linear 0s;
	-o-transition:all .2s linear 0s;
}
.wrap ul.wrap-nav li a:hover {
	color:#f0f0f0;
}
.wrap ul.wrap-nav ul {
	padding:20px 0;
}
.wrap ul.wrap-nav ul li {
	display:block;
	font-size:16px;
	width:100%;
	color:#e9e9e9;
}
.wrap ul.wrap-nav ul li a {
	color:#f0f0f0;
}
.wrap ul.wrap-nav ul li a:hover {
	color:#34B484;
	/*color: #008080;*/
}
@media screen and (max-width:48em) {
	.wrap ul.wrap-nav>li {
		width:100%;
		padding:20px 0;
		border-bottom:1px solid #575757;
	}
	.wrap ul.wrap-nav {
		padding:30px 0px 0px;
	}
	nav ul {
		opacity:0;
		visibility:hidden;
	}
	
	.selection-exercice {
		position: initial;
		margin: 5px auto;
		display: block;
	}
	.deconnexion {
		position: initial;
		margin: 5px auto;
		display: block;
		width: 80%;
	}
}