body
{
   color: black ;
   font-family: Stretch, "font-stretch: ultra-expanded ", serif;
   background-image:url(../medias/fond_accueil.jpg);/* l'image de fond de votre site, à modifier */
   background-repeat:no-repeat;
   background-attachment:fixed;
   background-position:center;
   text-align: center;
}

h1
{
	margin-top : 150px;
}

p
{
	margin-left: 20%;
 	width: 60%; /* modifiez cette valeur et obervez*/
	font-size : 25px;
 	text-align: center;
}


ul{
	background-color: white;
	list-style-type: none;
	margin: 0;
	padding: 0;
	position: fixed;
    top: 0;
	left: 18%;
    width: 85%;

}

ul li{
	list-style: none;
	display: inline-block;
	float: center;
	line-height: 100px;
}

ul li a{
	display: block;
	text-decoration: none;
	font-size: 18px;
	font-family: arial;
	color: #1e1e1e;
	padding: 0 20px;
}

ul li a:hover{
	color:#0ef4dc;
}


.logo{
	background-color: white;
	position: fixed;
	top : 0;
	left : 0;
	width:18%;
	height:100px;
}



.styled {
    border: 0;
    line-height: center;
    padding: 0 20px;
    font-size: 3rem;
    text-align: center;
    color: #fff;
    text-shadow: 1px 1px 1px #000;
    border-radius: 10px;
    background-color: none);
    background-image: none;
    box-shadow: none;
}

.styled:hover {
    background-color: none;
}

.styled:active {
    box-shadow: inset 0px 0px 0px rgba(0, 0, 0, 0),
                inset 0px 0px 0px rgba(0, 0, 0, 0);
}