/*navigation menue */

nav{
	width: 100%;
	background-color: rgb(255,140,0);
	position : relative;
	top: 0;
    z-index: 9000;
}

nav > ul::after{
	content: "";
	display: block;
	clear: both;
}

nav > ul{
	margin: 0px;
	padding: 0px;
}

nav > ul > li{
	float: left;
	position: relative;
}

nav li{
	list-style-type: none;
}

nav > ul > li > a{
	padding: 20px 30px;
	color: rgb(235,230,225);
}

nav > ul > li:hover a{
	padding: 15px 30px 20px 30px;
}

nav a
{
	display: inline-block;
	text-decoration: none;
	color: rgb(255, 255, 255)!important;
}


.menu:hover{
	border-top: 5px solid rgb(255,215,0);
	background: rgb(255,165,0);
}

h1{
	text-align: center;
	border: thick double #008000;
	margin-left: 30%;
	margin-right: 30%;
	color: #008000;
}

p.un{
	text-align: center;
}

p.deux{
	text-align: justify;
}

.conteneur{
	display: flex;
	justify-content: space-around;
}

.conteneur > img{
	width: 30%;
	height: auto;
}

body{
	background-color: papayawhip;
}

.btn{
	height: 100px;
    width: 160px;
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	position: fixed;
	right: 20px;
	bottom: 60px;
}

.icone{
	width: 50px;
	cursor: pointer;
}

div.lien{
	text-align: center;
	border-radius: 10px;
	background-color: orangered;
	width: 20pc;
	margin: auto;
	margin-top: 10px;
	font-weight: bold;
	font-size: 30px;
}

div.lien a{
	text-decoration: none;
	color: #ffffcc;
}

div.lien:hover{
	background-color: orange;
}