body {
    margin-top: 100px;
    text-align: center;
	background-attachment: fixed !important;
	background-image: linear-gradient(90deg, #293047, #849197);
}

h1 {
	margin-top: -30px;
	font-size: 70px;
	color: white;
	text-align: center;
}

h2 {
	color: white;
}

.container {
    margin: auto;
    width: 900px;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

img {
    width: 200px;
    height: 250px;
    margin: 50px;
}

img:hover {
    opacity: 0.9;
    cursor: pointer;
}

.retour {
    margin-top: 30px;
    font-size: 20px;
	color: white;
}

button {
    display: none;
    margin: 20px auto;
	cursor: pointer;
}