@font-face {
	font-family: 'prociono';
	src: url("../fonts/prociono-master/Prociono.ttf");
	font-weight: normal;
	font-style: normal;
}

@font-face {
	font-family: 'lily-script-one';
	src: url("../fonts/LilyScriptOne-Regular.ttf");
	font-weight: normal;
	font-style: normal;
}



@font-face {
	font-family: 'nitw';
	src: url("../fonts/NITW/Nitw.otf");
	font-weight: normal;
	font-style: normal;
}

/* Variables */
html{
	font-size:100%;
	
	--font-size-text : calc(1em + 0.3vw);
	--font-size-footnotes : calc(0.85em + 0.15vw);
	--font-size-title : calc(2.2em + 0.3vw);
	--font-size-h1 : calc(1.4em + 0.3vw);
	--font-size-h2 : calc(1.2em + 0.3vw);
	--font-size-h3 : calc(1em + 0.2vw);
	--font-size-mathjax : 1.8em;
	
	--chapter-title-bg-color: #515151;
	--section-title-bg-color: #FFF;	
	--subsection-title-bg-color: #FFF;
	--subsubsection-title-bg-color: #FFF;
	
	--chapter-title-color: #FF8000;
	--chapter-subtitle-color: #FFF;
	--section-title-color: #FF8000;
	--subsection-title-color: #FE9A2E;
	--subsubsection-title-color: #FE9A2E;
	
	--body-bg-color:#dddddd;
	--chapter-bg-color:#FFF;
	--section-bg-color:#FFF;
	
	--def-title-color:#FFF;
	--theorem-title-color:#FFF;
	--prop-title-color:#FFF;
	--block-title-color:#FFF;
	--example-title-color:#FFF;
	--remarque-title-color:#FFF;
	--methode0-title-color:#FFF;
	--proof-title-color:#FFF;
	
	--def-title-bg-color:#84c4a2;
	--theorem-title-bg-color:#84c4a2;
	--prop-title-bg-color:#84c4a2;
	--block-title-bg-color:#84c4a2;
	--example-title-bg-color:#84c4a2;
	--remarque-title-bg-color:#84c4a2;
	--methode-title-bg-color:#84c4a2;
	--proof-title-bg-color:#84c4a2;
	--exo-title-bg-color:#84c4a2;
	--exo-title-q-bg-color:#84c4a2;
	--exo-title-qq-bg-color:#94dbb5;

	--def-bg-color:#e6eff3;
	--prop-bg-color:#d1dade;
	--theorem-bg-color:#d6e0d9;
	--block-bg-color:#ededed;
	--example-bg-color:#faf4de;
	--remarque-bg-color:#faf4de;
	--methode-bg-color:#faf4de;
	--proof-bg-color:#dacbc0;
	
	--bg-color-red:#e1caca;
	--bg-color-blue:#cacce1;
	--bg-color-green:#cde1ca;
	--bg-color-yellow:#e1e1ca;
	--bg-color-orange:#fff0d4;
	--bg-color-grey:#e9e9e9;
	--bg-color-indigo:#d8cfdf;
	--bg-color-pink:#ffecf6;
	--bg-color-white:#ffffff;
	--bg-color-black:#3b3b3b;
	--bg-color-brown:#e3cbba;
	
	
	--def-title-height:40px;
	
	--chapter-arrow-height:75px;
	--chapter-width:1200px;

	--chapter-padding:100px;
	--block-epaisseur:25px;
		
	--section-epaisseur:10px;
	--section-padding:0px var(--section-epaisseur) 0px var(--section-epaisseur);
	--block-margin:35px 10px 35px 10px;
	--block-border-radius:10px 5px 10px 5px;
	--block-border-radius-top:0;
	--block-border-radius-top:0 0 0 10px;
	--exo-q-margin:0 0 10px 0;
	--exo-qq-margin:5px 0 5px 30px;
	--exo-margin:25px 0 5px 0;
	--exo-q-radius:10px;
	--q-num-padding : 8px 15px 8px 15px;
	--q-num-direct-padding : 10px 26px 18px 10px;

	
	--section-margin:0px;
	--subsection-margin:5px;
	--subsubsection-margin:5px;
	
	
}

/*Bureau*/
@media screen and (min-width: 900px){
	html{
		--chapter-padding:100px;
		--chapter-title-height:275px;
		--header-height:500px;
		--footnotes-padding:20px 50px 20px 60px;
		--logo-height:300px;

	}
	
	
	/* Bannière	*/
	chapter > .fleche_gauche{
		position:absolute;
		content:" ";
		display:block;
		background-color:transparent;
		box-sizing:border-box;
		width:calc(var(--chapter-width)/2);
		top:calc(var(--chapter-title-height) - var(--chapter-arrow-height) + 1px);
		left:0;
		border-bottom: var(--chapter-arrow-height) solid var(--section-bg-color); 
		border-right: var(--chapter-arrow-height) solid transparent; 
		height: 0;
	}

	chapter > .fleche_gauche::before{
		content:" ";
		/* ancre droite */
		left: 100%; 
		-webkit-transform: translate(-100%, 0);
		/**/
		position:absolute;
		box-sizing:border-box;
		display:block;
		width:50vw;
		height: var(--chapter-arrow-height); 	
		top:0;
		left:0;
		background-color:var(--body-bg-color);
		box-sizing:border-box;
	}


	chapter:not([type="long-banner-arrow"]) > .fleche_gauche::before{
		background-color:transparent;
	}

	chapter> .fleche_droite::before{
		content:" ";
		position:absolute;
		box-sizing:border-box;
		display:block;
		width:50vw;
		height: var(--chapter-arrow-height); 	
		top:0;
		right:0;
		-webkit-transform: translate(50vw, 0);
		background-color:var(--body-bg-color);
	}

	chapter:not([type="long-banner-arrow"]) > .fleche_droite::before{
		background-color:transparent;
	}

	chapter > .fleche_droite{
		position:absolute;
		width:calc(var(--chapter-width) / 2);
		background-color:transparent;
		box-sizing:border-box;
		top:calc(var(--chapter-title-height) - var(--chapter-arrow-height) + 1px);
		right:0;
		border-bottom: var(--chapter-arrow-height) solid var(--section-bg-color); 
		border-left: var(--chapter-arrow-height) solid transparent; 
		height: 0; 
	}
	
}
/*Petit écran, tablettes*/
@media screen and (max-width: 900px) and (min-width : 500px){
	html{
		--chapter-title-height:220px;
		
		--header-height:300px;
		
		--chapter-padding:10px;
		--block-epaisseur:20px;
		
		--q-num-padding : 8px 13px 8px 14px;
		--q-num-direct-padding : 6px 24px 16px 8px;
		
		--footnotes-padding:20px 20px 20px 30px;
		
	}
}
/*Smartphone*/
@media screen and (max-width: 500px){
	html{
		--chapter-title-height:220px;
		--header-height:260px;
		--chapter-padding:0px;
		
		--section-margin:0px;
		
		--section-epaisseur:3px;
		--section-padding:0px var(--section-epaisseur) 0px var(--section-epaisseur);
		
		--block-margin:25px 0px 10px 0px;
		
		/* --block-border-radius:0; */
		--subsection-margin:0;
		--subsubsection-margin:0;
		
		--block-epaisseur:15px;
		
		--q-num-padding : 8px 13px 8px 14px;
		--q-num-direct-padding : 6px 24px 16px 8px;
		
		--footnotes-padding:10px 5px 10px 5px;
	}
	
}

html, body {
	box-sizing:border-box;
	width:100%;
    max-width: 100%;
	min-height:100vh;
    overflow-x: hidden;
	line-height:1.4;
	padding:0;
	margin:0;
	
	text-align: justify;
    text-justify: inter-character;
}

.MathJax {
	font-size: var(--font-size-mathjax) !important;
}

/*compteurs des sections*/
body{
/*
background-image: linear-gradient(#E0E0E5, #E0E0E5);
background-image: url("images/wallpaper.jpg");
*/
background-size:100%;
background-repeat: no-repeat;
background-color: var(--body-bg-color) ;
counter-reset: s ss sss exo q qq;
overflow:hidden;
}
.unnumbered{
counter-reset: none;
}
.unnumbered:before{
content: none;
counter-increment: none;
}

/*Header Site*/




header{
	background-color:transparent!important;
	position:absolute;
	top:0;
	box-sizing:border-box;
	width:100vw;
	height:var(--header-height);
	border:none;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}

	header::after{
		position:absolute;
		content:" ";
		display:block;
		background-color:transparent;
		box-sizing:border-box;
		width:50%;
		top:calc(3*var(--header-height)/4);
		left:0;
		border-bottom: calc( var(--header-height)/4 ) solid var(--body-bg-color); 
		border-right: 50vw solid transparent; 
		height: 0;
	}
	
	header::before{
		position:absolute;
		content:" ";
		display:block;
		background-color:transparent;
		box-sizing:border-box;
		width:50%;
		top:calc(3*var(--header-height)/4);
		right:0;
		border-bottom: calc( var(--header-height)/4 ) solid var(--body-bg-color); 
		border-left: 50vw solid transparent; 
		height: 0;
	}
	
	header img{
		height:calc(0.8*var(--header-height));
		position:relative;
		top:calc(0.2*var(--header-height));;
	}

/*Titres des sections*/
h1, h2, h3, h4, h5, h6{
	color:var(--subsubsection-title-color);
} 

*[title]::before, chapter[subtitle]::after, h1, h2, h3, h4, h5, h6, title{
font-family:nitw;
display:block;
margin:0;
text-indent:0;
}

chapter[title]::before, chapter > h1, chapter > title{
position:absolute;
top:0;
box-sizing:border-box;
width:100vw;
height:var(--chapter-title-height);
font-size:var(--font-size-title);
padding: 20px;
margin-bottom:0;
text-shadow: 1px 2px 0 #333, 1px 10px 5px #333;

display:flex;
flex-direction:row;
flex-wrap:wrap;
align-content:flex-start;
justify-content: center;/*h*/
align-start:flex-start;
align-items: center;/*v*/
	
color:var(--chapter-title-color);
background-color:var(--chapter-title-bg-color);

text-align:center;
box-shadow: inset 0 0 65px rgba(0,0,0,0.3);
background-position: 50% 0;
background-size: cover;
}


chapter[title][type="long-banner-arrow"]::before, chapter[type="long-banner-arrow"] > h1 , chapter[type="long-banner-arrow"] > title{
	/* ancrer par le milieu */
	left: 50%; 
	-webkit-transform: translate(-50%, 0);	
}

chapter[title]:not([type="long-banner-arrow"])::before, chapter:not([type="long-banner-arrow"]) > h1, chapter:not([type="long-banner-arrow"]) > title {
	margin-left:calc(0px - var(--chapter-padding));
	width:var(--chapter-width);
	max-width:100%;
}

chapter > title{
	font-size:var(--font-size-title);
	overflow:hidden;
	padding-bottom:200px;
}

chapter[title]::before{
	content: attr(title);
}

chapter[subtitle]::after, title[subtitle]::after{
	content: attr(subtitle);
}

chapter>h2, chapter[subtitle]::after, chapter > title[subtitle]::after{
	width:100%;
	font-size:var(--font-size-h1);
	margin:0px;
	color:var(--chapter-subtitle-color);
	text-shadow: 1px 2px 0 #333, 1px 10px 5px #555;
}

chapter > title[subtitle]::after{
	font-size:0.8em;
}

chapter section[title]::before, chapter section > h1{
font-size:var(--font-size-h1);
background-color: var(--section-title-bg-color);
border-style:solid;
border-width:2px 0 2px 0;
border-color:var(--section-title-color);
color:var(--section-title-color);
margin:20px 0px 5px 0px; /*compense le padding de section*/
padding:5px;
}

chapter section[title]::before{
content: counter(s, upper-roman) ".  " attr(title);
}
chapter section > h1::before{
content: counter(s, upper-roman) ".  ";
}


subsection[title]::before, subsection > h1{
font-size:var(--font-size-h2);
background-color: var(--subsection-title-bg-color);
color:var(--subsection-title-color);
padding:0;
margin:15px 0px 10px 0px;
}
subsection[title]::before{
/*content: counter(s, upper-roman) "." counter(ss) ".   "  attr(title);*/
content: counter(ss) ".   "  attr(title);
}
subsection > h1::before{
/*content: counter(s, upper-roman) "." counter(ss) ".  ";*/
content: counter(ss) ".  ";
}


subsubsection[title]::before, subsubsection > h1{
font-size:var(--font-size-h3);
background-color: var(--subsubsection-bg-color);
color:var(--subsubsection-title-color);
padding:0;
margin:15px 0px 10px 0px; /*compense le padding de section*/
}
subsubsection[title]::before{
/*content: counter(s, upper-roman) "." counter(ss) "." counter(sss, lower-alpha) ".  "  attr(title);*/
content: counter(sss, lower-alpha) ".  "  attr(title);
}
subsubsection > h1::before{
/*content: counter(s, upper-roman) "." counter(ss) "." counter(sss, lower-alpha) ".  ";*/
content: counter(sss, lower-alpha) ".  ";
}



exercice::before{
	content : "Exercice " counter(exo);
	background-color: var(--exo-title-bg-color);
	color:var(--subsubsection-title-color);
}

exercice[title]::before{
	content : "Exercice " counter(exo) " - " attr(title);
}

def::before{
	content: "Définition " attr(title);
	background-color:var(--def-title-bg-color);	
}


questions item::before{
	display:inline;
	line-height:20px;
	font-family:nitw;
	content : counter(q);
	width:15px;
	height:20px;
	padding:var(--q-num-padding);
	color:#FFF;
	background-color:var(--exo-title-bg-color);
	border-radius:25px;
	margin-right:3px;
}

questions item[directsubquestions]::before{
	position:absolute;
	width:0;
	height:10px;
	padding:var(--q-num-direct-padding);
}

subquestions item::before{
	/* font-family:nitw; */
	content : counter(qq, lower-alpha);
	
	color:#FFF;
	background-color:var(--exo-title-qq-bg-color);
	border-radius:20px;
	padding:0px 8px 0px 8px;
	margin-right:3px;
}

/*sections*/
chapter, chapter section, subsection, subsubsection, footnotes, exercice, questions, subquestions, item{
	position:relative;
	display:block;
}

chapter{
	box-sizing:border-box;
  
	margin:auto;
	margin-bottom:20px;
	padding:var(--chapter-title-height) var(--chapter-padding) 40px var(--chapter-padding);
	font-size:var(--font-size-text);
	font-family:prociono;
	/* text-indent:5px; */
	width:var(--chapter-width);
	max-width:100%;
	counter-reset: s;
	background-color:var(--chapter-bg-color);
}

footnotes{
	box-sizing:border-box;
	margin:auto;
	margin-bottom:20px;
	font-family:prociono;
	font-size:var(--font-size-footnotes);
	width:var(--chapter-width);
	max-width:100%;
	background-color:var(--chapter-bg-color);	box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

footnotes ol{
	padding:var(--footnotes-padding);
	margin:0;
}

chapter:not([type="long-banner-arrow"]){
	box-shadow: 0 -4px 8px 0 rgba(0, 0, 0, 0.2), 0 -6px 20px 0 rgba(0, 0, 0, 0.19);
}

/* ombre décalée verticalement */
chapter[type="long-banner-arrow"]>.chapter-shadow{
	z-index:-1;
	display:block;
	position:absolute;
	content:" ";
	float:left;
	left:0;
	width:var(--chapter-width);
	height:calc(100% - var(--chapter-title-height) - 10px);
	top:calc(var(--chapter-title-height) + 10px);
	box-shadow: 0 4px 5px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
	
}

chapter section{
box-sizing:border-box;
width:100%;	
padding:var(--section-padding);
margin:var(--section-margin);
background-color:var(--section-bg-color);
counter-increment:s;
counter-reset: ss;
}

subsection{
	margin:var(--subsection-margin);
	padding-bottom:20px;
	counter-increment:ss;
	counter-reset: sss;
}

subsubsection{
	margin:var(--subsubsection-margin);
	counter-increment:sss;
}

/*Block, thérorèmes, etc. */
 
block, bloc, theorem, theoreme, def, prop, example, exemple, remarque, methode, proof, demo, demonstration, preuve, correction, solution{
	position:relative;
	display:block;
	margin:var(--block-margin);
	
	padding:calc(var(--block-epaisseur) + 10px) var(--block-epaisseur) var(--block-epaisseur) var(--block-epaisseur);
	
	border-radius: var(--block-border-radius);
	box-shadow: inset 0 0 35px rgba(0,0,0,0.1)
}



def::before, theorem::before, theoreme::before, prop::before, example::before, exemple::before,methode::before,remarque::before, bloc::before, block:not(.spoiler)::before, .codeblock-wrapper::before, exercice::before{
	font-family: 'nitw';
	position:absolute;
	top:-12px;
	left:-5px;
	padding:3px 15px 3px 15px;
	border-radius: 15px;
	font-size:var(--font-size-h3);
	color:var(--def-title-color);
	box-shadow: inset 1px 1px 20px rgba(0,0,0,0.1);
	text-shadow: inset 2px 2px 25px rgba(0,0,0,0.8);
}

/*pour n'importe quel type de bloc : renseigner type et titre*/
bloc::before, block::before{
	content: attr(type)" " attr(title);
	background-color:var(--block-title-bg-color);
}
block::not([color]), bloc::not([color]){
	background-color:var(--block-bg-color);
}
def::before{
	content: "Définition " attr(title);
	background-color:var(--def-title-bg-color);	
}
def{
		background-color:var(--def-bg-color);/*#969696;*/
}
prop::before, prop::before{
	content: "Propriété " attr(title);
	background-color:var(--prop-title-bg-color);	
}

prop{
		background-color:var(--prop-bg-color);
}

example::before, exemple::before{
	content: "Exemple " attr(title);
	background-color:var(--example-title-bg-color);	
}

example, exemple{
		background-color:var(--example-bg-color);		
}

remarque::before{
	content: "Remarque " attr(title);
	background-color:var(--remarque-title-bg-color);	
}

remarque{
		background-color:var(--remarque-bg-color);		
}
methode::before{
	content: "Remarque " attr(title);
	background-color:var(--methode-title-bg-color);	
}

methode{
		background-color:var(--methode-bg-color);		
}

example::before, exemple::before{
	content: "Exemple " attr(title);
	background-color:var(--example-title-bg-color);	
}

example, exemple{
		background-color:var(--example-bg-color);		
}


theorem::before, theoreme::before{
	content: "Théorème " attr(title);
	background-color:var(--theorem-title-bg-color);	
}

theorem {
		background-color:var(--theorem-bg-color);
}

demo, preuve, correction, solution, block.spoiler{
	overflow:hidden;
	position:relative;
	margin:var(--block-margin);
	display:block;
	padding:calc(var(--def-title-height) + 5px) 15px var(--block-epaisseur) 15px;
	background-color:var(--proof-bg-color);
	border-radius:var(--block-border-radius);
	box-shadow: inset 0 0 35px rgba(0,0,0,0.1);
}

correction,solution, block.spoiler{
	counter-reset: q qq;
}

preuve::before, demo::before, correction::before, solution::before, block.spoiler::before{
	position:absolute;
	font-family:nitw;
	box-shadow: inset 1px 1px 20px rgba(0,0,0,0.1);
	text-shadow: inset 2px 2px 25px rgba(0,0,0,0.8);
	color:var(--def-title-color);
	box-sizing:border-box;
	top:0;
	left:0;
	width:100%;
	height:var(--def-title-height);
	padding:calc(var(--def-title-height)/2 - 0.7em);
	/* border-radius: var(--block-border-radius-top); */
	font-size:var(--font-size-h3);
	color:var(proof-title-color);
	background-color:#84c4a2;
}
preuve::before, demo::before{
	content: "Démonstration" attr(title);
}

block.spoiler::before{
	content: attr(type) attr(title);
}

correction::before, solution::before{
	content: "Correction" attr(title);
}

*[color="red"]{
	background-color:var(--bg-color-red)!important;
}

*[color="green"]{
	background-color:var(--bg-color-green)!important;
}
*[color="yellow"]{
	background-color:var(--bg-color-yellow)!important;
}
*[color="orange"]{
	background-color:var(--bg-color-orange)!important;
}
*[color="grey"]{
	background-color:var(--bg-color-grey)!important;
}
*[color="indigo"]{
	background-color:var(--bg-color-indigo)!important;
}
*[color="pink"]{
	background-color:var(--bg-color-pink)!important;
}
*[color="white"]{
	background-color:var(--bg-color-white)!important;
}
*[color="black"]{
	background-color:var(--bg-color-black)!important;
	color:#DDD;
}
*[color="brown"]{
	background-color:var(--bg-color-brown)!important;
}	

exercice{
	position:relative;
	display:block;
	
	counter-increment:exo;
	margin:var(--exo-margin);
	padding:calc(var(--block-epaisseur) + 10px) 5px var(--block-epaisseur) 5px;
	box-shadow: inset 0 0 100px 50px #fff;
	background-color:rgba(0,0,0,0.05);	
	border-radius: var(--block-border-radius);
}

questions{
	list-style-type: none;
	counter-reset: q;
}


questions item{
	margin:var(--exo-q-margin);
	counter-increment:q;
}

subquestions{
	list-style-type: none;
	counter-reset: qq;
}
item[directsubquestions] subquestions{
	padding-top:1px;
}


subquestions item{
	counter-increment:qq;
	margin:var(--exo-qq-margin);
}

chapter ul,chapter ol{
	list-style: none;
	margin:0;
	counter-reset:li;
}

chapter li::before {
	font-size:1.2em;
	font-weight:bold;
	color: var(--def-title-bg-color);
	display: inline-block;
	width: 1em;
	margin-left: -1em;
	counter-increment: li;
}

chapter ul>li::before{
	content: "●"; 
}

chapter li ul>li::before{
	content: "○";
}


chapter ol>li::before {
	content: counter(li);
}


/* //////////////////////////// */
/* Code Highlight rectifications*/
/* //////////////////////////// */

.codeblock-wrapper:not([language="ti82"])::before{
	background-color:var(--example-title-bg-color);	
	content: "Programme - " attr(title);
	z-index:1;
}

.codeblock-wrapper{
	position:relative;
	margin:var(--block-margin);
}

codeblock{
	padding:calc(var(--block-epaisseur) + 10px) var(--block-epaisseur) var(--block-epaisseur) var(--block-epaisseur) !important;
	text-indent:0;
	position:relative;
	display:block;
	border-radius: var(--block-border-radius);
	box-shadow: inset 0 0 35px rgba(0,0,0,0.1)
}

.code-wrapper{
	display:inline;
	position:relative;
	margin: 3px !important;
}

.code-wrapper pre{
	display:inline;
	margin:0;
}

code{
	position:relative;
	display:inline-block !important;
	padding:3px 8px 3px 3px!important;
	vertical-align:middle!important;
	margin: 0 !important;
	border-radius: var(--block-border-radius);
	box-shadow: inset 0 0 35px rgba(0,0,0,0.1);
	top:-2px;
}

/*utilisation de textarea en mode code*/
codeblock.input{
	padding-top:10px!important;
	height:300px;
	text-align:right;
}

codeblock textarea{
	position:absolute;
	width:100%;
	height:300px;
	resize:none;
	box-sizing:border-box;
	font-family: inherit; font-size: inherit; 
	border:none;
	background-color:transparent;
	margin:30px 10px 10px 10px;
	top:0;
	bottom:0;
	left:0;
	right:0;
}





/*mise en emphase = encadrement halo*/
em{
	/* position:relative; */
	/* margin:0px; */
	/* padding:calc(var(--block-epaisseur) + 10px) var(--block-epaisseur) var(--block-epaisseur) var(--block-epaisseur); */
	/* background-color:red; */
	display:inline-block;
	margin : 2px 0 2px 0!important;
	padding : 2px 5px;
	border-radius: 3px;
	box-shadow: inset 0 0 10px #AAA;
}
	

/* //////////// */
/* COLLAPSABLES */
/* //////////// */

demo>input[type="checkbox"], preuve>input[type="checkbox"], chapter section>input[type="checkbox"], correction>input[type="checkbox"], solution>input[type="checkbox"], block.spoiler>input[type="checkbox"]{
	display:none;
}

demo>label, preuve>label, correction>label, solution>label, block.spoiler>label{
	position:absolute;
	
	background-color:var(--proof-bg-color);
	border-radius: var(--block-border-radius-bottom);
	border-top-style:solid;
	border-top-color:#AAA;
	border-top-width:1px;
	display:block;
	bottom:0;
	height:var(--block-epaisseur);
	width:calc(100%);
	cursor:pointer;
	margin:auto;
	margin-left: -15px;/*voir padding de demo*/
	text-align:center;
	vertical-align: middle;
}

chapter section>label{
	position:absolute;
	background-color:transparent;
	display:block;
	top:0;
	right:10px;
	height:calc(var(--font-size-h1) / 2);
	width:calc(100%);
	cursor:pointer;
	margin:auto;
	vertical-align: middle;
}

/* Petite flèche clickable : */
demo>label::before, preuve>label::before, section>label::before, correction>label::before, solution>label::before, block.spoiler>label::before{
  position:relative;
  content: ' ';
  width:0;
  display: inline-block;
  margin-top: calc(var(--block-epaisseur)/2 - 2px);
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid var(--def-title-bg-color);
  transform: translateY(-2px);
  transition: transform .2s ease-out;
}

chapter section>label::before{
	position:absolute;
	border-top: 10px solid var(--section-title-color);
	right:10px;
	top:calc(var(--font-size-h1)/2);
}

demo>input:checked + label::before, preuve>input:checked + label::before, chapter section>input:checked + label::before, correction>input:checked + label::before, solution>input:checked + label::before, block.spoiler>input:checked + label::before{
  transform: rotate(180deg) translateY(3px);
}


.collapsable-content{
  max-height: calc(var(--def-title-height) - 2*var(--block-epaisseur) - var(--section-epaisseur)/2 - 5px);
  overflow: hidden;
  /* transition: max-height .8s ease-in-out; */
}


input:checked + label + .collapsable-content{
  max-height: none;
}

/* Grilles permettant d'aligner des questions, vignettes, avec flexbox */
grille{
  display:flex;
  flex-direction:row;
  flex-wrap:wrap;
  align-content:flex-start;
  justify-content: center;/*h*/
  align-start:flex-start;
  align-items: center;/*v*/
  margin:var(--block-margin);
}

questions grille{
  display:table;
}

grille>item{
  //flex:auto;
  display:inline-block;
  padding:10px;
}

img{
	display:block;
	margin:25px auto 25px auto;
	object-fit: contain;
	max-width:100%;
	max-height:100%;
	
}

img.icon{
	display:inline;
	margin:0 4px;
}

.ggb:not(.fullscreen), .geogebra:not(.fullscreen){
	width:100%;
	display:inline-block;
	padding: 0;
}

.ggb>*:first-child:not(.fullscreen), .applet_scaler:not(.fullscreen){
	margin:auto!important;
}


include{
	margin:0;
	padding:0;
	color:#000;
}

cqfd{
	display:inline-block;
	background-image: url("/mathsoup.xyz/images/cqfd.gif");
	width:90px;
	height:40px;
	background-size:contain;
	transform:translateY(20px);
}

/*videos youtubes */
iframe{
	display:block;
	margin:auto;
}

/*Effets animation*/

@-webkit-keyframes shake-anim {
	0% { -webkit-transform: translate(2px, 1px) rotate(0deg); }
	10% { -webkit-transform: translate(-1px, -2px) rotate(-1deg); }
	20% { -webkit-transform: translate(-3px, 0px) rotate(1deg); }
	30% { -webkit-transform: translate(0px, 2px) rotate(0deg); }
	40% { -webkit-transform: translate(1px, -1px) rotate(1deg); }
	50% { -webkit-transform: translate(-1px, 2px) rotate(-1deg); }
	60% { -webkit-transform: translate(-3px, 1px) rotate(0deg); }
	70% { -webkit-transform: translate(2px, 1px) rotate(-1deg); }
	80% { -webkit-transform: translate(-1px, -1px) rotate(1deg); }
	90% { -webkit-transform: translate(2px, 2px) rotate(0deg); }
	100% { -webkit-transform: translate(1px, -2px) rotate(-1deg); }
}

.shake, .shake.hover:hover{
	display:inline-block;
	-webkit-animation-name: shake-anim;
	-webkit-animation-duration: 0.8s;
	-webkit-transform-origin:50% 50%;
	-webkit-animation-iteration-count: infinite;
	-webkit-animation-timing-function: linear;
}

.shake.hover{
	-webkit-animation: none !important;
	-moz-animation: none !important;
	-o-animation: none !important;
	-ms-animation: none !important;
	animation: none !important;
}