first.css

@font-face {
	font-family: 'Mpsb';
	src: url('fonts/MyriadPro-Semibold.otf') format('opentype');
	font-weight: normal;
	font-style: normal;
}


#iko {
	height: 100vh;
	width: 100%;
	background-image: url('images/grand.jpg');
	background-position: center;
	background-size: contain;
	background-repeat: no-repeat;
	background-color: black;
}

#dessous {

	width: 40%;
	height: 60%;
	transform: translate(118%, 15%);

}

#sesame {
	width: 100%;
	height: 50%;
	background-image: url('images/open.jpg');
	background-size: contain;
	background-repeat: no-repeat;
	transform: translate(0%, 80%);
	transition: transform 2s;
	margin: 0;
}

#dessous:hover #sesame {
	transform: translate(0%, 0%);
}

#bouton {
	display: block;
	height: 75px;
	width: 200px;
	text-decoration: none;
	color: black;
	border-radius: 10px;
	font-family: 'Mpsb';
	font-size: 3rem;
	padding-top: 5px;
	background-color: white;
	position: relative;
	top: 75%;
	margin-left: auto;
	margin-right: auto;
	text-align: center;
	border: 1px solid white;


}


@media (max-width: 1000px) {
	
	#sesame {
		display: none;
	}

@media (max-width: 400px) {
	#bouton {
		font-size: 1.5rem;
		height: 37px;
		width: 100px;
		padding-top: 2px;
		top: 70%;
	}
}