body {
    width: 35em;
    margin: 0 auto;
    font-family: sans-serif;
    background: #000 url("/_infra/accueil-laCimade.jpg") no-repeat fixed center top;
}
#texte {
    margin-top: 300px;
    margin-bottom: 100px;
    max-width: 600px;
    background-color: rgba(0,0,0,0.8);
    color: #fff;
    padding: 5px 20px;
    border-radius: 10px;
    line-height: 2;
}
a {
    color: #aaa;
}
pre {
    line-height: 1.2;
}