/* -----------------------------------------------------------------pour le header------------------------------------------------------------ */
#header{
	display:flex;
	justify-content: center;
	background:linear-gradient(#000000, #BBBBBB);
	flex-direction: column;
	align-items: center;
	word-wrap:break-word;
	overflow:auto;
	margin:-10px -10px -10px -10px;
}

.header_logo{/*Semaine des maths*/
	font:bold 5em Constantia;
	color:white;
	text-align: left;
	cursor:default;
}
.header_lien{/*lycee berthollet*/
	font:bold 15px Arial;
	text-decoration:none;
	text-align: center;
	border-radius:3px;
	background:linear-gradient(#FF9C15,#EF8C05);
	color:#fff;
	cursor:pointer;
	width:50%;
	padding: 5px 0px 5px 0px;
	border:0px;
}
.header_date{/*date heure*/
	font:bold 20px;
	color:black;
	text-align: right;
	cursor:default;
	width:50%;
	padding: 5px 0px 5px 0px;
}

/* -----------------------------------------------------------------Le reste------------------------------------------------------------ */
#menu,#menu2,#accueil{
	display:flex;
	justify-content: center;
}

#enigmes{
	margin:auto;
	width:50%;
	display:flex;
}

.navigation{
	padding: 5px 5px 5px 5px;
	border:0px;
	display:flex;
}

.navigation_item{
	padding: 5px 5px 5px 5px;
	border:0px;
	display:flex;
	justify-content: space-around;
}

.mes_div{
	margin: auto;
	font:bold 14px Arial;
	border-radius:5px;
	background: #EEEEEE;
	box-shadow:0px 0px 2px 2px #111111;
	padding:20px 20px 20px 20px; 
}

.element{
	font:bold 14px Arial;
	border-radius:5px;
	background: #EEEEEE;
	box-shadow:0px 0px 2px 2px #111111;
	padding:20px 20px 20px 20px; 
	margin: 10px;
	display:flex;
	flex-direction: column;
}

.element:nth-child(1){
	flex:1;
}
.element:nth-child(2){
	flex:3;
}

.mes_textes_nf{/*les textes*/
	color:black; 
	font:bold 14px Arial;
	margin:auto;
	text-align: center;
}

.bouton,.bouton_nf,.bouton_nf2{/*les boutons */
	font:bold 14px Arial;
	text-decoration:none;
	text-align: center;
	border-radius:3px;
	background:linear-gradient(#FF9C15,#EF8C05);
	color:#fff;
	cursor:pointer;	
	padding: 5px 20px 5px 20px;
	border:0px;
	margin-left:20px;
}

.alerte{/*pour l utilisation de caracteres speciaux */
	font:bold 14px Arial;
	text-decoration:none;
	text-align: center;
	border-radius:3px;
	background:#FF0000;
	color:#fff;
	padding: 5px 20px 5px 20px;
	border:0px;
	margin-left:20px;
	position :fixed;
	left:40%;
	top:40px;
	height: 20px;
	width:400px;
}

.qualite{/*pour dire si la réponse rentrée est correcte ou fausse*/
	font:bold 14px Arial;
	text-decoration:none;
	text-align: center;
	border-radius:3px;
	background:#FF0000;
	color:#fff;
	padding: 5px 20px 5px 20px;
	border:0px;
	margin-left:20px;
	position :fixed;
	left:40%;
	top:40px;
	height: 20px;
	width:400px;
}

.bouton{/*les boutons position fixes*/
	position: fixed;
}
.bouton_nf2{
	margin:5px;
}

.bouton:hover,.bouton_nf:hover,.bouton_nf2:hover,.bouton_p:hover{
	background:linear-gradient(#FFAC25,#FF9C15);
}

.mon_div{/*les div*/
	position:fixed;
	font:bold 14px Arial;
	border-radius:5px;
	background: #EEEEEE;
	box-shadow:0px 0px 2px 2px #111111;
	left:50%;
	padding:20px 20px 0px 20px; 
}

.mes_textes{/*les textes*/
	position:fixed; 
	color:black; 
	font:bold 14px Arial;
	left:50%; 
}