body{
	font-size: 16px;
	font-family: "Work Sans";
	color: rgb(0, 0, 0);
	line-height: 1.5;
	text-align: left;
	margin: 0;
}
h1{
	font-family: "roboto";
	color: red;
}
h2{
  	font-size: 64px;
	font-family: "roboto";
  	text-align: left;
  	margin-bottom: 20px;
}
h3{
	font-size: 40px;
  	font-family: "roboto";
  	margin-bottom: 15px;
  	text-align: left;
}
h4{
	font-size: 25px;
  	font-family: "roboto";
  	line-height: 1.2;
  	text-align: left;
}
nav{
	height: 75px;
}
p{
	margin-bottom: 30px;
}
a{
	color: white;
	text-decoration: none;
}
a:focus, a:active, a:visited {
  text-decoration: none;
  color: white;
}
a::after{
	text-decoration: none;
  	color: white;
	content: '';
    display: block;
    width: 0;
    height: 2px;
}
a:hover::after {
    width: 100%;
    transition: width .3s;
}

.list--item::before {
    content: "-";
    position: absolute;
    left: -20px;
}
.list{
	margin-left:-40px;
}
.red{
	color: white;
	background: red;
	position: relative;
	z-index: -1;
}
.red--nav{
	color: white;
	background: red;
	position: relative;
}
.piste{
	height: 810px;
	position: relative;
}
.triangle{
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 0 0 560px 2000px;
	border-color: transparent transparent #e31e1e transparent;
	position: absolute;
	bottom: 0;
	right: 0;
	z-index: -1;
}
.triangle--big{
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 0 0 1500px 4000px;
	border-color: transparent transparent #e31e1e transparent;
	position: absolute;
	bottom: 0;
	right: 0;
	z-index: -1;
}
.nav--el{
	font-size: 25px;
  	font-family: "roboto";
  	line-height: 1.2;
  	text-align: left;
  	margin-top: 22px;
}
.nav--el__left{
	margin-right: 25px;
}
.ux{
	background: url("images/header_bg.jpg");
	background-size: 1440px 963px;
	height: 963px;
	width: 1440px;
	margin: 0;
	position: relative;
}
.ux--el{
	display: block;
	width: 720px;
	margin: 0 auto;
	padding-top: 100px;
	position: relative;
}
.ux--el__top{
	display: block;
	font-size: 143px;
	text-align: center;
	position: absolute;
	top: 175px;
}
.ux--el__bottom{
	display: block;
	font-size: 550px;
	text-align: center;
	position: absolute;
	top: 180px;
	left:-22px;
}
.youtube{
	padding:1px;
}
.youtube h2, h3{
	text-align: center;
}
.youtube--img{
	background: url("images/youtube_tendance.jpg");
	background-size: 840px 468px;
	width: 840px;
	height: 468px;
	margin: 30px auto 0 auto; 
	position: relative;
	z-index: 1;
}
.abonnements--first{
	position: relative;
}
.abonnements--first--img{
	background: url("images/logo.jpg");
	width:799px;
	height:867px;
	position: absolute;
	top: 96px;
	right:-30px;
}
#abonnements--bouton{
	width: 300px;
	height: 66px;
	margin-bottom: 40px;
	text-decoration: none;
	font-size: 40px;
	background-color: hsl(0, 0%, 93.3%);
    color: hsla(0, 0%, 6.7%, .6);
    border-radius: 5px;
    border:none;
    font-weight: bold;
}
#abonnements--bouton:after{
	content: "ABONNÉ 1M";
}
.persona--info{
	height: 220px;
	width: 305px;
	margin-top: 45px;
}
.persona--info h3{
	margin:0px auto;
	text-align: left;
}
.persona--descpription__top{
	width: 1200px;
}
.persona--info--jonathan {
	background: url("images/avatar.png");
	background-repeat: no-repeat;
	padding-left: 200px;
}
.persona--info--marguerite{
	background: url("images/avatar.png");
	background-repeat: no-repeat;
	background-position: right;
	padding-right: 200px;
}
.student--col{
	width: 260px;
	padding-top: 230px;
	margin: 30px 20px;
}
.student--col h4{
	text-align: center;
	color: black;
}
/*--------------*/
.introduction{
	margin-bottom: 70px;
}
.texte__alone{
	margin-top: 30px;
}
.conclusion {
	background-image: url("images/filtrer.jpg");
	background-repeat: no-repeat;
	padding-right:780px;
	background-position: right;
	margin: 30px 0;
	background-size: 700px 390px;
}
.prototyping{
	background-image: url("images/proto.svg");
	background-repeat: no-repeat;
	padding-left:780px;
	background-position: left;
	margin: 30px 0;
}
.video--cadre{
	width:1067px;
	height: 600px;
	margin: 15px auto;
}
.student--francois{
	background: url("images/francois.png");
	background-repeat: no-repeat;
}	
.student--margaux{
	background: url("images/margaux.png");
	background-repeat: no-repeat;
}	
.student--maelle{
	background: url("images/maelle.png");
	background-repeat: no-repeat;
}	
.student--germain{
	background: url("images/germain.png");
	background-repeat: no-repeat;
}	
.conclusion--perso--title{
	width: 700px;
	margin:0 auto;
}
.problemes{
	padding-right: 580px;
	background-image: url("images/long.png");
	background-repeat: no-repeat;
	background-position: right;	
	background-size: 400px 533px;
}
.problemes h2{
	width: 600px;
}
.grand{
	padding-left: 778px;
	background-image: url("images/grand.jpg");
	background-repeat: no-repeat;
	background-size: 592px 493px;

}
iframe{
	padding-left: 	60px;
	border:0;
}
.video h2{
	padding-left: 60px;
}
.footer {
	height: 35px;
	padding-top: 5px;
}
/*------------*/
.container{
	width: 1200px;
	margin: 0 auto;
}
.col__right{
	float: right;
}
.col__left{
	float: left;
}
.col__center{
	margin: 0 auto;
}
.col{
	position: relative;
	width: 422px;
	z-index: 1;
}
.col--small{
	width: 360px;
	position: relative;
	margin-right: 40px;
}

ul {
	list-style: none;
}
/*------*/
.clear{
	clear: both;
}
.clearfix{
	display: table;
	content: "";
	clear: both;
}
table { 
	font-variant-numeric: lining-nums tabular-nums; }