.fond{
	background-color:#222;
	height:100vh;
	width:100vw;
	transition:all 0.3s;
	position:absolute;
	top:0;
	left:0;
	z-index:0;
	overflow:hidden;
}

body{
	margin:0;
}

h1{
	line-height: 60%;
	width: auto;
	text-align:left;
	padding-left:10vw;
	padding-top: max(100px, 10vh);
	font-size:max(8vw, 4rem);
	user-select:none;
	-webkit-user-select:none;
	-khtml-user-select:none;
	-moz-user-select:none;
	-ms-user-select:none;
	transition:all 0.3s;
	color:#bbb;
}
h1 span{
	font-size: max(4vw, 2rem);
	line-height: 50%;
}

ul{
	padding: 10vh 10vw;
	margin:auto;
	list-style:none;
	height:80vh;
	font-family:century-gothic, sans-serif;
	font-weight:bold;
	font-size:1em;
	display:flex;
	flex-flow:column;
	justify-content:space-around;
	align-items:flex-end;
}

li{
	z-index:1;
	margin:15px;
}

a{
	text-decoration:none;
	text-align:center;
	padding:10px 20px;
	border-radius:20px;
	color:#222;
	background-color:#ddd;
	transition:all 0.3s;
}

.rose:hover a{
	background-color:#cc99bb;
	color:#603050;
}
.rose:hover ~ .fond{
	background-color:#603050;
}
.rose:hover ~ .fond h1{
	color:#cc99bb;
}
.jaune:hover a{
	background-color:#bb9960;
	color:#605030;
}
.jaune:hover ~ .fond{
	background-color:#605030;
}
.jaune:hover ~ .fond h1{
	color:#bb9960;
}
.bleu:hover a{
	background-color:#6099bb;
	color:#305060;
}
.bleu:hover ~ .fond{
	background-color:#305060;
}
.bleu:hover ~ .fond h1{
	color:#6099bb;
}

@media screen and (max-width: 700px){
	h1{
		text-align: center;
		padding: 0;
		display:block;
	}
	ul{
		align-items: center;
		justify-content: flex-start;
		width:100vw;
		height:100vh;
		padding: 200px 0 0;
	}
	a{
		margin: 5px;
	}
	.fond{	
		height: calc(100vh + 300px);
	}
}