* {
    margin: 0;
    padding: 0;
}

body {
	background-image:url(informatique.jpg)
}

.titre {
	color: white;
	font-family: arial;
	padding: 0.5em;
}

.accueil {
	width: 5%;
	height: 1em;
	position: absolute;
	left: 2em;
	top: 1em;
	text-align: center;
}


.hdp {
	width: 100%;
	height: 4em;
	background-color: black;
	text-align: center;
}


.bdp {
	width: 100%;
	height: 5em;
	background-color: black;
	bottom: 0;
	position:absolute;
}


.p, .p1, .p2{
	width: 25%;
    height: 32em;
	background-color: white;
	text-align: center;
	display: inline-block;
	margin: 3.7em;
	padding: 1em;
	justify-content: space-evenly;
	border-radius: 1em;
	font-family: arial;
	border-radius: 5em;
	border-color: black;
}

.phtml, .phtml1, .phtml2{
	width: 25%;
    height: 24em;
	background-color: gray;
	text-align: center;
	display: inline-block;
	margin: 3.5em;
	padding: 1em;
	justify-content: space-evenly;
	border-radius: 1em;
	font-family: arial;
	border-radius: 5em;
	border-color: black;
}

#bouton{
	width: 50%;
	height: 4em;
	margin: 1.5em;
	background-color: rgb(104, 104, 104);
	border-radius: 1em;
	border-color: black;
}

.l{
	list-style-type:none;
    text-align: left;
    padding: 1.5em;
}

.image{
	padding: 1em;
	width: 13em;
	height: auto;
}

#couleur{
	color: cyan;
}

#souligne{
	text-decoration: underline;
}

a:link {
    color: #0062e7;
}

a:visited {
    color: #00159d;
}

a:hover {
    color: #18c3ff;
}