*
{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	list-style-type: none;
	user-select : none;
}

body
{
	background: url("fondgrille-pexels.jpg") no-repeat center fixed;
	background-size: cover;
}

header img
{
	width: 100px;
	margin: 30px 20px;
	/* transition à la sortie du changement (ici le hover) */
	transition: background-color 1s, border-radius 2s;
}

header img:hover
{
	background-color: rgba(0,0,0, 0.8);
	border-radius: 50%;
	/* transition à l'entrée du changement (ici le hover) */
	transition: border-radius 0s, background-color 200ms;
}

#wrapper
{
	position: absolute;
	top: 0px;
	left: 0px;
	right: 0px;
	bottom: 0px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	z-index: -1;
}

#wrapper h1
{
	font-family: "Righteous";
	font-size: 30px;
	color: white;
	padding: 20px 200px;
	background-color: rgba(0, 0, 0, 0.8);
}

#wrapper h2
{
	font-family: "Open Sans";
	font-size: 18px;
	margin: 10px;
	padding: 10px;
	color: white;
}