#grille {
	width:1000px;
	text-align:center;
}

#grille img{
	width: 8rem;
	object-fit: cover;
	background: linear-gradient( #555, #2C2C2C);
	background-size: 10px;
}

.case {
	width:120px;
	height:13rem;
	float:left;
	margin:10px;
	padding:33px;
	text-align:center;
	border:#333 1px solid;
	border-radius: 5px;
	background: url("https://store.ubi.com/on/demandware.static/-/Sites-masterCatalog/default/dw63e24d90/images/large/56c494ad88a7e300458b4d5a.jpg")no-repeat;
	background-size: 15rem;
}

.colonne {
	width:840px;
	height:auto;
	text-align:center;
	font-weight:bold;
	font-size:20px;
	margin-left:15%;
	background:rgba(100,100,700,.1);
}

.titre_centre {
	width:780px;
	height:40px;
	padding: 30px;
	font-size:25px;
	text-align:center;
	background-color:#ccccff;
	color:#7030a0;
}

.btn {
	width:185px;
	height:55px;
	font-size:20px;
	text-align:center;
	border:#333 1px solid;
	border-radius: 5px;
	background: linear-gradient( #555, #2C2C2C);
	background: #444;
	color:#ccccff;
}

.btn:hover {
	cursor:pointer;
	box-shadow: 6px 6px 0px #aaa;
}