#sommaire_doc {
	width:28%;
	position:fixed;
	left:-1px;
	top:76px;
	padding-top:54px;
	padding-left:20px;
	height:calc(100% - 130px);
	overflow-y:scroll;
	border-right:2px solid #C0C0C0;
}

#sommaire_doc div.hoverdisplay {
	margin-top:0px;
	background:transparent;
}

#sommaire_doc div.hoverdisplay_on,#sommaire_doc div.hoverdisplay:hover {
	padding-bottom:20px;
	max-height:500px;
}

#sommaire_doc div.hoverdisplay:not(:hover):not(.hoverdisplay_on) {
	max-height:45px;
}

#sommaire_doc div.hoverdisplay li:nth-child(1) {
	margin-top:30px;
}

#sommaire_doc div ul {
	border-left:2px solid #C0C0C0;
	padding-left:15;
	margin-left:15px;
}

#sommaire_doc div li {
	list-style-type:none;
	margin-top:10px;
	cursor:pointer;
}



#sommaire_doc div li:before {
	content:'';
}

#sommaire_doc div li a:hover {
	text-decoration:none;
	font-weight:bolder;
}



#contenu_doc {
	position:relative;
	margin-left:30%;
	padding:1%;
	width:68%;
		padding-bottom:400px;
}

#contenu_doc :nth-child(0n+1) {
	margin-top:0px;
}

#contenu_doc h2 {
	margin-top:100px;
}

#contenu_doc img.doc_schema {
	max-width:80%;
	margin:40px;
}


#documentation_select div {
	display:inline-block;
	margin-left:20px;
	position:relative;

	height:30px;
	padding-top:125px;
	padding-bottom:125px;
	width:420px;
	background:#FAFAFA;
	font-size:24px;
	text-align:center;
}

#documentation_select a > div::before {
	position:relative;
	content:"\25BA";
	margin-right:10px;
}



#documentation_select div div {
	display:block;
	position:absolute;
	top:0;
	left:0;
	margin-top:0;
	width:100%;
	height:100%;
	opacity:0.25;
	transition:0.2s;
	cursor:pointer;
	background-size:100%;
	padding:0;
}

#documentation_select div:hover div {
	opacity:0.1;
}

#documentation_select a:nth-child(1) div div {
	background:url('https://www.cogibus.com/images/index_visage1.jpg');
	background-repeat:no-repeat;
}

#documentation_select a:nth-child(2) div div {
	background:url('https://www.cogibus.com/images/index_visage2.jpg');
	background-repeat:no-repeat;
}

@media all and (max-width:1000px) {
	#sommaire_doc {
		position:relative;
		width:100%;
		margin-top:-100px;
	}
	#contenu_doc {
		padding:1%;
		width:98%;
		margin:0;
		margin-top:200px;
		border:0;
	}
}


@media all and (max-width: 700px)
{

	#sommaire_doc,#contenu_doc {
		float:initial;
		width:100%;
	}

}




div.hoverdisplay {
	min-height:initial;
	height:initial;
	max-height:25;
	transition:1s;
	transition-delay:0s;
	overflow:hidden;
}

div.hoverdisplay:hover,div.hoverdisplay_on {
	max-height:2000;
	transition-delay:0.4s;
}

div.hoverdisplay span.spantitre {
	cursor:pointer;
}

div.hoverdisplay span.spantitre:before {
	content:'';
	width:10px;
	height:10px;
	display:inline-block;
	border-top:2px solid #404040;
	border-right:2px solid #404040;
	margin-right:15px;
	margin-left:10px;
	transform:rotate(135deg);
	transition:0.5s;
}

div.divh2head.bigheader span.spantitre {
	color:#FEFEFE;
	background:#808080;
	display:block;
	width:calc(100% + 20px);
	height:45px;
	box-sizing:border-box;
	padding:10px;
	font-size:22px;
	font-variant:small-caps;
	font-weight:unset;
	position:relative;
	top:-10;
	left:-10;
}

div.divh2head.bigheader.hoverdisplay span.spantitre::before {
	border-top:2px solid #FEFEFE;
	border-right:2px solid #FEFEFE;
}

div.hoverdisplay:hover span.spantitre:before,div.hoverdisplay_on span.spantitre:before {
	transform:rotate(315deg);
	-ms-transform:rotate(315deg);
	-moz-transform:rotate(315deg);
	-webkit-transform:rotate(315deg);
	-o-transform:rotate(315deg);
}