@font-face {
	font-family: "Libertinus Sans";
	src: url("LibertinusSans-Regular.otf");
}

:root {
	--largeur_max: 60vw;
	--rouge: #ff0000;
	--gris: rgb(221,228,233);
	--bleu: #00349d;
	--blanc: #FFFFFF;
	--noir: #000000;
	--largeur_livre: 15vw;
	--jaune: #faac01;
}

html, body {
	background-color: var(--blanc);
	font-family: "Libertinus Sans";
	width: 100%;
	margin: 0px;
	padding: 0px;
	border: 0px;
}

h1{
	text-align: center;
	font-size: 70px;
	font-weight: bold;
}

h2 {
	text-align: left;
	font-size: 40px;
	font-weight: bold;
	margin-bottom: 50px;
	color: var(--bleu);
}

h3{
	text-align: center;
	font-size: 30px;
	font-weight: bold;
}

p, ul{
	font-size: 20px;
}

b{
	color: var(--bleu);
}

ul {
	list-style-type: circle;
	line-height:40px;
}

nav a{
	color: var(--bleu);
	text-decoration: none;
	padding-left: 50px;
	padding-right: 50px;
	font-size: 20px;
}

nav a:hover
{
	text-decoration: none;
	color: var(--rouge);
}

.block_max_width {
	max-width: var(--largeur_max);
	margin-left: auto;
	margin-right: auto;
}

.sertillanges_feminisme_et_christianisme_cover {
	display: block;
	background: url("img/sertillanges_feminisme_et_christianisme_cover.jpg");
  	background-size: cover;
	margin-left: auto;
	margin-right: auto;
	width: calc(5.5*var(--largeur_livre)/8.5);
	height: var(--largeur_livre);
	text-align: center;
}

.sertillanges_la_vie_intellectuelle_cover {
	display: block;
	background: url("img/sertillanges_la_vie_intellectuelle_cover.jpg");
  	background-size: cover;
	margin-left: auto;
	margin-right: auto;
	width: calc(5.5*var(--largeur_livre)/8.5);
	height: var(--largeur_livre);
	text-align: center;
}

.affichage_livres {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	height: auto;
	max-width: var(--largeur_max);
	margin-left: auto;
	margin-right: auto;
}

.block_livre {
	margin-left: auto;
	margin-right: auto;
	text-align: center;
	border-color: transparent;
	border-style: solid;
	border-width: 5px;
}

.block_livre:hover {
	border-color: var(--jaune);
	border-style: solid;
	border-width: 5px;
}

.block_sites {
	background-color: var(--blanc);
	color: var(--noir);
	text-align: center;
	padding: 10px;
	position: fixed;
	bottom: 0;
	width: 100%;
}

a:link { text-decoration: none; }
a:visited { text-decoration: none; }
a:hover { text-decoration: none; }
a:active { text-decoration: none; }

@media only screen and (max-width: 1300px) {
:root {
	--largeur_max: 90vw;
	--rouge: #ff0000;
	--gris: rgb(221,228,233);
	--bleu: #00349d;
	--blanc: #FFFFFF;
	--noir: #000000;
	--largeur_livre: 25vw;
	--jaune: #faac01;
}

	h1{
		text-align: center;
		font-size: 50px;
		font-weight: bold;
	}
}

@media only screen and (max-width: 600px) {
:root {
	--largeur_max: 90vw;
	--rouge: #ff0000;
	--gris: rgb(221,228,233);
	--bleu: #00349d;
	--blanc: #FFFFFF;
	--noir: #000000;
	--largeur_livre: 55vw;
	--jaune: #faac01;
}

	h1{
		text-align: center;
		font-size: 50px;
		font-weight: bold;
	}

	.affichage_livres {
		display: grid;
		grid-template-columns: repeat(1, minmax(0, 1fr));
		height: auto;
		max-width: var(80vw);
		margin-left: auto;
		margin-right: auto;
	}
}