body {
    margin: 20px;
    font-family: Verdana, sans-serif;
    background-color: #fda;
    text-align: justify;
}

table {
margin: auto;
border: medium solid #f90;
border-collapse: collapse;
width: 75%;
}


.entete {
    background-color: #f90;
    text-align: center;
    color: #fff;
    font-size: 20px;
    padding: 5px;
}

.nav {
    padding: 5px;
    margin-top: 10px;
    border-right: #000 1px solid;
    text-align: right;
    float: left;
    width: 20%;
}

a {
    text-decoration : none;
    color: #55f;
}

a:hover {
    text-decoration: underline;
}

.nav a {
     display: block;
     padding: 3px;
     padding-right: 10px;
     padding-left: 10px;
     margin: 3px;
     background-color: #f00;
     color: #fff;
}

.nav a:hover {
    background-color: #f33;
    text-decoration: none;
}

.texte {
    padding: 5px;
    padding-left: 22%;
}

.pieddepage {
    background-color: #f90;
    text-align: center;
    padding: 5px;
}