body {
	display: grid;
	grid-template-columns: 10% 90%;
	grid-template-rows: auto 1fr auto;
	grid-template-areas: 
		"header header"
		"nav contenu"
		"footer footer";
	min-height: 100vh;
    background-color: #C5C9A4;
    font-family: Arial, sans-serif;
}

header {
	grid-area: header;
	padding: 10px;
	background-color: #476A6F;
	text-align: center;
	color: #fff;
	width: 100%;
	box-sizing: border-box;
	margin-bottom: 5px;
}

footer {
	grid-area: footer;
	padding: 10px;
	text-align: center;
	background-color: #F4C095;
	width: 100%;
	box-sizing: border-box;
	margin-top: 5px;
}

#nav-gauche {
	grid-area: nav;
	position: relative;
	background-color: #519E8A;
	padding: 20px;
	box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
	height: calc(100vh - 40px);
	margin-right: 5px;
}

#nav-gauche ul {
	list-style-type: none;
	padding: 0;
}

#nav-gauche ul li {
	margin-bottom: 10px;
}

#nav-gauche ul li a {
	text-decoration: none;
	color: #333;
	font-weight: bold;
}

#contenu-principal {
	grid-area: contenu;
	padding: 10px;
	background-color: #7EB09B;
	overflow-y: auto;
	margin-left: 5px;
	margin-top: 5px;
}

#contenu-principal article {
	margin-bottom: 20px;
}

#contenu-principal ul {
	margin-left: 20px;
}

table {
	width: 100%;
	border-collapse: collapse;
}

th, td {
	border: 1px solid #ddd;
	text-align: center;
	padding: 8px;
	width: calc(100% / 16);
}

thead th {
	background-color: #f4f4f4;
	font-weight: bold;
}

form#qcm-form label {
	display: block;
	margin-top: 10px;
}

form#qcm-form select,
form#qcm-form button {
	margin-top: 5px;
}

#notification {
	position: fixed;
	top: 20px;
	left: 50%;
	transform: translateX(-50%);
	background-color: #fff;
	border: 2px solid #000;
	padding: 15px;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
	display: none;
	z-index: 1000;
	text-align: center;
}

h1 {
	font-size: 2.5rem;
	font-weight: bold;
	color: #2C3E50;
	margin-bottom: 20px;
	text-align: center;
}

h2 {
	font-size: 2rem;
	font-weight: bold;
	color: #476A6F;
	margin-bottom: 15px;
}

h3 {
	font-size: 1.75rem;
	font-weight: bold;
	color: #519E8A;
	margin-bottom: 10px;
}

h4 {
	font-size: 1.5rem;
	font-weight: normal;
	color: #333;
	margin-bottom: 10px;
}

h5 {
	font-size: 1.25rem;
	font-weight: normal;
	color: #555;
	margin-bottom: 8px;
}

a {
	color : #001C55;
}