H1 {
    position: relative;
    left: 50%;
    text-align: center;
    width: 1000px;
    margin-left: -500px;
    background-color: #b6ccc4;
    color: #0B3E2B
    }
H2 {
    position: relative;
    text-align: center;
    background-color: #369;
    color: #FFF;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 100
    }
H3 {
    position: relative;
    text-align: center;
    width: 50%;
    background-color: #069;
    color: #FFF;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 100
    }
H4 {
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 100;
    background-color: #399
    }
H5 {
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 100;
    background-color: #399
    }
H6 {
    text-align: center;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 100;
    text-decoration: underline
    }
INPUT {
    background: #B6CCC4;
    color: #0B3E2B;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px
    }
TEXTAREA {
    background: #EBF0EE;
    color: #01291A;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px
    }
body, td, th {
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 12px;
    color: #FFF
    }
a:link {
    text-decoration: none;
    color: #FFF
    }
a:visited {
    text-decoration: none;
    color: #FFF
    }
a:hover {
    text-decoration: none;
    color: #F00
    }
a:active {
    text-decoration: none;
    color: #0F0
    }
.majuscule {
    margin-left: 5px;
    margin-right: 5px;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 100
    }
.marge {
    margin-left: 5px;
    margin-right: 5px
    }
.italic {
    margin-left: 5px;
    margin-right: 5px;
    font-style: italic
    }
.croix {
    margin-left: 5px;
    margin-right: 5px;
    color: #FF0;
    font-weight: bold;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 100
    }
a {
    text-decoration: none
    }
/* définition du lien qui affichera le "calque" */
a:hover {
    background: none
    }
/* correction d'un bug IE */
a span {
    display: none
    }
/* définition de la balise <span> inclue dans <a> */
a:hover span {
    /* définition de la balise <span> au survol */
    display: block;
    position: absolute;
    top: auto;
    /* positions et dimensions du calque, que vous pouvez changer à loisir */
    left: 500px
    }