html
{
        width: 100%;
        margin:0;
        padding:0;
/*        background-color:#5a8100;
	background-color:#d0f0c0;*/
	background-color:#ffffff;
}



body
{
        width:100%;
        margin:0%;
        padding:0%;
/*        background-color:#5a8100;
	background-color:#d0f0c0;*/
        background-color:#ffffff;
}



main, section, article, aside, header, footer, nav {
    display: block;
}

/*----------------------------------------------------------*/
nav{
        position: fixed;
        width:100%;
	top:0;
	height: 50px;
/*        font-weight: bold; */
        padding: 1px;
/*        background-color:#5a8100;
	background-color:#d0f0c0;*/
        background-color:#ffffff;
}

nav > ul {
	display: flex;
	text-align: center;
	vertical-align : middle;
	height: 30px;
}

nav ul{
        list-style-type:none;
        margin: 2px;
        padding:0px;
}

nav > ul > li{
	background-color:#ff6c02;
	position: relative;
	vertical-align : middle;
	height: 100%;
	margin:3px;
	flex: 1;
}


nav > ul > li:hover {
	background: #ffffff;
	color: #ff6c02;
}

nav > ul > li:hover > a{
	background: #ffffff;
	color: #ff6c02;
}

nav > ul > li > a { 
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

nav li a{
        text-decoration: none;
	vertical-align : middle;
        color: #000000;
	height: 25px;
        background: #ff6c02;
}


.deroulant > a:after{
	margin-left: 7px;
        display: inline-block;
}

.sous_menu{
	margin-top: 20px;
	width: 100%;
	text-align: left;
	overflow: hidden;
	max-height: 0;
}

.deroulant:hover > .sous_menu {
	animation: apparitionSousMenu 1s forwards;
}


@keyframes apparitionSousMenu {
	0% {
		box-shadow: 0px 3px 3px 1px rgba(0,0,0,0);
		border-top: 3px solid #000000;
	}
	100% {
		max-height: 40em;
		border-top: 3px solid #000000;
	}
}

.sous_menu > li > a{
        align-items: center;
	display: flex;
	height: 30px;
	padding-left: 10px;
        width: 100%;
}


.sous_menu > li:hover > a {
	background-color: white;
	color: #ff6c02;
}


/*----------------------------------------------------------*/

header{ 
        text-align: center;
	width:100%;
        margin: 70px 0px;
        padding:0px 0px;
/*        background-color:#5a8100;*/
	background-color:#ffffff;
/*	color: #5a8100;*/
}

.titre{
        border: 2px #696969 solid;
        box-shadow: 6px 6px 6px #696969;
        padding: 5px 5px 5px 5px;
	margin: 25px 50px 10px 50px;
        text-align: center;
        background-color:#ffffff;
}

.titre_color{
	color: #5a8100;
}



main
{
/*        margin: 0 10%;*/
	margin-right: 0%;
	margin-left: 0%;
	margin-top: 0%;
        padding: 0em;
/*        background-color:#ffffff;*/
/*        background-color:#5a8100;*/
        background-color:#ffffff;
/*        border-radius: 10px;*/
}


section
{
    margin: 0% 0% 1% 0%;
/*    margin: 0;*/
    padding: 1%;
/*    background-color:#5a8100;*/
    background-color:#ffffff;
    border-radius: 10px;
}

article
{
	margin:40px 10px;
	padding: 50px 35px;
	background-color:#ffffff;
	border-radius: 10px;
}

section h1{
        text-align: center;
}

article h1{
        text-align: center;
}

h2{
        text-align: center;
}

footer
{
    margin: 1% 0% 1% 0%;
    padding: 1em;
/*    background-color:#ffffff;*/
    background-color:#5a8100;
}

.ss_article{
	margin:55px 0px 20px 0px;
	padding: 50px 0px;
}

.conteneur
{
	position: relative;
}

.conteneur iframe
{
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

figure {
    display: block;
/*    float: right;*/
/*    width: 200px;*/
/*    width: 20%;*/
    text-align: center;
    align: center;
    margin: 0px;
    padding: 4px;
    border: 1px solid #cfcfcf;
}


figure img {
/*    width: 100%;*/
    margin: 0px;
    padding: 0px;
    text-align: center;
}


figure figcaption {
    font-style: italic;
}

table, th, td {
        vertical-align: middle;
        text-align: center;
	padding: 3px 3px;
        margin: 3px;
}

table.centre_table{
	margin-left: auto;
	margin-right: auto;
}


.demi {
	width:50%;
	padding:5px 5px;
}

.tiers {
	width:33%;
	padding:5px 5px;
}

.haut{
	vertical-align: top;
}


.trait{
	border : 1px solid;
}
.trait_sup{
/*	border : 1px dotted; */
	border-bottom-style: hidden;
/*	border-top-style: solid; 
	border-right-style: solid;
	border-left-style: solid;*/
}

.trait_inf{
/*	border : 1px dotted; 
	border-bottom-style: solid;*/
	border-top-style: hidden; 
/*	border-right-style: solid;
	border-left-style: solid;*/
}


.cadre{
        border: 2px #696969 solid;
        box-shadow: 6px 6px 6px #696969;
        padding: 1em 0 1em 0;
	text-align: center;
}

.cadretxt{
        border: 2px #696969 solid;
        box-shadow: 6px 6px 6px #696969;
        padding: 2em 2em;
	margin: 2em;
	text-align: left;
}

.cadre_centre{
        border: 2px #696969 solid;
        box-shadow: 6px 6px 6px #696969;
        padding: 1em 0 1em 0;
	align: center;
}

.centrage_video{
	margin-left: auto;
	margin-right: auto;
	display: block;
}

/* pour les textes des tableau prenant toute la page */
.text_table{
	width: 95%;
    	padding: 0px 5px;
	text-align: left;
}

.cadre_calcul{
	border: 2px #696969 solid;
	border-radius: 15px;
    	padding: 5px 5px;

/*        box-shadow: 6px 6px 6px #696969;*/
}


.go_finpage{text-align: center;}

.go_finpage a{
        display: block;
        background-color: #ff6c02;
        color: #000000;
        text-align: center;
        padding: 10px 12px;
        text-decoration: none;
        font-size: 16px;
}

.go_finpage a:hover{
        display: block;
        background-color: #ffffff;
        color:#5a8100;
        text-align: center;
        padding: 10px 12px;
        text-decoration: none;
        font-size: 16px;
        border:thick double #ff6c02;
}



.centre{text-align: center;}
.droite{text-align: right;}
.gauche{text-align: left;}
.souligne {text-decoration:underline;}
.italique {font-style: italic;}
.adate{
	color:rgb(106,90,205);
	font-style: italic;
}
.rouge{color: red;}
.smaller{font-size: small;}
.large{font-size: large;}
.mark_jaune{background-color: yellow;}
.mark_orange{background-color: orange;}
.mark_red{background-color: red;}
.mark_purple{background-color: purple;}
.mark_green{background-color: green;}