h1 { color: red; }
th {text-decoration: underline;
    color: olive; 
}
th.typeDonnee {
    font-style:italic;
    text-align:center;
    color:navy;
}
td { text-align: right; }
ul {background-color: gray;}
b { letter-spacing: 3pt; }
img {display:block;
    margin-left:auto;
    margin-right:auto;
}