/*page css*/
body {
    background-color: whitesmoke;
    margin-left: 8%;
    margin-right: 8%;
}
/*titre "intelligence artificielle"*/
h1.art-shadow {
    text-shadow: 2px 4px 3px black;
}
h1 {
    color: darkseagreen;
    text-align : center;
    font-family: sans-serif;
    font-weight: bolder; 
}
/*tableaux*/
table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
}
th { 
    background-color: mediumseagreen;
}
table {
    align-items: center;
    width: 100%;
    text-align: center;
}
ul {
    font-family: monospace;
}
/*barre de navigation*/
ul.nav{
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: darkseagreen;       
}
ul.nav a { 
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
ul.nav li{
    float: left;
}
li a.active{
    background-color: black;
}
li a:hover:not(.active) {
    background-color: black;
}
a{
    color: black;
}
#source {
    float: right;
}

#liens li a:hover {
    background-color: #CCC;
}
	
/*encadrez en bas*/
footer {
    background-color: darkseagreen;
    padding: 20px;
    text-align: center;
    color: white;
}
/*taille des images*/
#voiture{
    float: inherit;
}
#nobert {
    width: 200px;
    height: 300px;
}
#warren {
    width: 200px;
    height: 300px;
}
#walter {
    width: 200px;
    height: 300px;
}
#johnvonneumann{
    width: 200px;
    height: 300px;
}
#alain {
    width: 200px;
    height: 300px;
}
#johnmccarthy {
    width: 300px;
    height: 300px;
}