@import url(https://fonts.googleapis.com/css?family=Roboto);
	
body{
	font-family: 'Roboto';
	background-color: black;
	background-image: url("images/constellation.jpg");
	color: white;
}
.derniere_video {
	display: block;
    text-align: center;
    font-size:1em;
    color: black;
    top: 10px;
    left: 10px;
    width: 80%;
    max-width: 35em;
	border-radius: 20px;
    border: 10px solid white;
    padding: 0px 0px 0px 0px;
    border-radius: 20px;
    background-color: white;
    text-decoration: none;
    margin:auto;
}
.derniere_video img{
	width: 100%;
}
h1{
	margin: auto;
	text-align: center;
}
h1 img{
	max-width: 200px;
	width: 100%;
}
.div_chapitre{
	margin: auto;
	max-width: 40em;
	width: 95%;
	border-collapse: collapse;
	background-color: rgba(255,255,255,0.1);
	border-radius: 20px;
	margin-top: 20px;
	padding: 5px 5px 5px 5px;
	border: white solid 1px;
	border-radius: 20px;
}
.div_chapitre h2{
	font-size: 3em;
	color: white;
	text-align: center;
	margin: 5px 5px 5px 5px;
}
.div_chapitre h3{
	font-size: 1.1em;
	color: white;
	text-align: center;
	text-decoration: underline;
	margin: 0 0 10px 0;
}
.div_video{
	display: flex;
	flex-direction: row;
	justify-items: center;
	align-items: center;
	text-decoration: none;
	color: white;
	margin: 5px 5px 20px 5px;
	padding: 5px 5px 20px 5px;
	background-color: rgba(0,0,0,0.3);
	border-radius: 20px;
}
.div_video:hover{
	background-color: black;
	border-radius: 20px;
}
.div_chapitre .div_video .miniature_video{
	display: block;
	width: 50%;
	margin: 5px 5px 5px 5px;
}
.div_chapitre .div_video img{
	width: 100%;
	border-radius: 20px;
}
.div_chapitre .div_video .div_description{
	width: 50%;
	font-size: 1em;
	padding: 0 0 0 0;
	margin: 5px 5px 5px 5px;
}
.div_chapitre .div_video .div_description p{
	margin:auto;
	text-align: center;
}




.abonnement{
	text-decoration: none;
	color: red;
	background-color: white;
	border-radius: 5px;
	box-shadow: 1px 1px 1px rgba(255,255,255,0.5) ;
}
.abonnement:hover{
	font-size: 1.1em;
	box-shadow: 3px 3px 3px rgba(255,255,255,0.5) ;
}
footer{
	font-size: 1em;
}
#mention{
	text-align:right;
	font-style: italic;
	font-size: 0.8em;
}