html, body{
	margin:0;padding: 0;
	overflow-x: hidden;
}

body{
  background-image: url(web_images/fond.png);
}

.inner{
  margin:auto;
  width: 80%;
}

.main-section{
    margin-top: 100px;
    margin-left: 150px;
    margin-right: 150px;
    margin-bottom: 100px;
    z-index: -1;
}

.defilement{
	height: 300px;
	width: auto;
}

.img-intro{
	height: auto;
	width: 100px;
	float: right;
	margin:30px;
	margin-right: 60px;
	z-index: -1;
}

.img-intro {
  transition: 0.4s;
  z-index: -1;
}

.img-intro:hover {
  transform: scale(2);
  z-index: -1;
}

.txt-intro{
	margin: 30px;
	text-indent: 50px;
}

.txt-base{
	margin: 30px;
	color:white;
}

.formatdiv{
	margin-top: 50px;
	background-color: rgba(169, 169, 169, 0.5);
}

.secondtitre{
	color:white;
	margin-left: 10px;
}
.titre1{
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px; 
	width: 265px;
}

.titre2{
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 200px;
}

.titre3{
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 215px;
}

.titre4{
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 250px;
}

.invisible{
	visibility: hidden;
	font-size: 1px;
}

.defilement{
	position: relative;
	z-index: -2;
}

@media only screen and (max-width: 1100px){

  .main-section{
    margin-top: 200px;
	}

	.titre1{
	font-size: 50px;
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px; 
	width: 650px;
}

.titre2{
	font-size: 50px;
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 525px;
}

.titre3{
	font-size: 50px;
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 570px;
}

.titre4{
	font-size: 50px;
	border:2px double black;
	margin-left:auto;
	margin-right: auto;
	text-indent: 5px;
	width: 650px;
}

.img-intro:hover {
 	transform: scale(1);
}
}