body{
    z-index: 1;
    background-color: #e5e5e5;
    margin: 20px;
    text-align: center;
}

nav{
	width: 80%;
    margin-left: 10%;
	background-color: #84878C; /*couleur nav entière*/
    border-radius: 20px;
}

nav > ul{
	margin-left: auto;
	margin-right: auto;
	padding: 0px;
	width: 60%;
}

nav > ul::after{
	content: "";
	display: block;
	clear: both;
}

nav > ul > li{
	width: 25%;
	float: left;
	position: relative;
	text-align: center;
}

nav> ul > li > a{
	font-size: 100%;
	padding-top: 10px;
	padding-bottom: 10px;
	color: #eee;
}

nav li{
	list-style-type: none;
}

nav a{
	display: inline-block;
	text-decoration: none;
}

.menu:hover{
	background-color: #59184E;
    border-radius: 10px;
}

.menu:hover > a{
	color: #fff; /*texte quand on passe la souris un bouton du menu*/
	font-weight: bold;
}

.logo{
    display: block;
}

.champ{
    background-color: inherit;
    position: relative;
    text-align: center;
    color: #454444;
    display: block;
    margin: 10px auto;
    border: 4px solid #4e4d4d;
    padding: 40px 40px;
    width: 60%;
    border-radius: 80px;
    transition: 0.25s;
}

.champ:focus, .champ:hover{
    border-color: #ac2a8d;
    background-color: #dddddd;
}

.champ input{
    border: none;
    outline: none;
    font-size: 3em;
    color: #aaa;
    width: 100%;
    text-align: inherit;
    background-color: inherit;
}

.submit{
    background-color: inherit;
    position: relative;
    text-align: center;
    color: #454444;
    display: block;
    margin: 10px auto;
    border: 4px solid #4e4d4d;
    padding: 10px 10px;
    width: 200px;
    border-radius: 30px;
    transition: 0.25s;
}

.submit:hover{
    width: 250px;
    background-color: #82E6AC;
    border-color: #2ecc71;
}