body{
	font-family: Arial regular;
	margin: 0;
	background-color: black;
}

*{
	margin: 0px;
	padding: 0px;
	font-family: Avenir, sans-sherif;
}

nav{
	width: 100%;
	margin: 0 auto;
	background-color: white;
	position: sticky;
	top: 0px;
}

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

nav ul il{
	float: left;
	width: 25%;
	text-align:center;
}

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

nav a {
	dispaly: block;
	text-decoration: :none;
	color: black;
	border-bottom: 2px solid transparent;
	padding: 10px 0px;
}


.sous{
	display: none;
	box-shadow: 0px 1px 2px #CSS;
	background-color: white;
}

nav > ul li:hover .sous{
	display: block;
}

.sous li{
	float: none;
	width: 100%;
	text-align: left;
}
.sous a{
	padding: 10px;
	border-bottom: none;
}
.sous a:hover{
	border-bottom: none;
	background-color: RGBa(200,200,200,0,1);
}
.deroulant{
	width: 50%;
}

.deroulant > a::after{
	content:">";
	font-size: 12px;
}
.sous{
	display: none;
	box-shadow: 0px 1px 2px #CCC;
	background-color:white;
	position: absolute;
	width: 100%;
	z-index: 1000;
}

.nom{
	width: calc(100% - 20px);
	right:0;
	text-align:right;
	color: black;
	font-family: Arial regular;
	font-size:16pt;
	position:fixed;
}
.menu{
	position:fixed;
	text-align:justify;
	width: auto;  
	right:0;
	box-sizing: border-box;
	color: gold;
	font-family: Arial regular;
	z-index:1;
	top:10%;
	background-color:transparent;
	margin-top:50px;
}

.section1{
	position:obsolute;
	text-align: center;
	width:30%;
	margin-left:35%;
	margin-bottom: 200px;
	margin-top:200px;
}
.section2{
	position:obsolute;
	text-align: center;
	width:30%;
	margin-left:35%;
	margin-top: 400px;
	margin-bottom: 200px;

}
.section3{
	position:obsolute;
	text-align: center;
	width:30%;
	margin-left:35%;
	margin-top: 400px;
	margin-bottom: 10%;

}

h2::before {
	content: " ";
	display:inline-block;
	position: absolute;
	top: 0; 
	right: 0; bottom: 0; left: 0;
	background: hsl(200 100% 80%);
	z-index: -1;
	transition: transform .3s ease;
	background-color: green;

}

h2 {
	position: relative;
	font-size: 3rem;
	color: white;
	font-family: Arial regular;
	z-index:1;
	background-color: green
}

h2 :hover{
	background-color: green;
	color: white;
	transform: scaleX(1);
	transform-origin: bottom right;
}
 .welcome{
	 background-color:black;
 }
 
 .bloc1{
	width:50%;
	margin-left:25%;
	overflow:hidden;
	line-height:0;
	margin-top:100px;
 }

img{
	width:100%;
	height:100%;
}
.images1{
	background-color:blue;
	width: 706px;
	height:500px;
	margin:150px;
	margin-left: 15%;
	margin-right: 10%;
	margin-top:400px;
	display:flex;
	position:relative;
	z-index:7;
}
.images2{
	background-color:blue;
	width: 706px;
	height:500px;
	margin:150px;
	margin-left: 15%;
	margin-right: 10%;
	margin-top:400px;
	display:flex;
	position:relative;
}
.images3{
	background-color:blue;
	width: 706px;
	height:500px;
	margin:150px;
	margin-left: 15%;
	margin-right: 10%;
	margin-top:400px;
	display:flex;
	position:relative;
}
.images4{
	background-color:blue;
	width: 706px;
	height:500px;
	margin:150px;
	margin-left: 15%;
	margin-right: 10%;
	margin-top:400px;
	display:flex;
	position:relative;
	z-index:2;
}
.contact{
	width: 100%;
	height:500px;
	background-color: green;
	margin-top: 180px
}

a { font-size: 3rem;
    text-decoration: none;
     color: white;
}

.conteneur_deux{
	background-color:black;
	display:flex;
	flex-wrap:wrap;
	width:90%;
	margin-top:200px;
	margin-left:5%;
}
.projects{
	margin: 25px 5px 5px 5px;
	margin-left:20px;
	margin-right:20px;	
	width: 300px;
	height: 500px;
	padding: 5px;
	background-color: white;
	display:inline-block

}
 #invisible {
    display: none;
    background: #FC9;
    width: 400px;
    height: 300px;
  }
 
  #survol {
    position: absolute;
    outline: dashed thin gray;
  }
 
  #survol:hover #invisible {
    display: block;
  }

}
.projects : hover{
	box-shadow:10px 5px 5px yellow;
	transition-duration:0.2s;
	transition-delay:0;2s;
}