a.external_link:after {
  content: "->[]";
}
.billet {
    border-bottom: 10px solid #FFE7E7;
    margin: 30px 0 30px 0;
}
.resume {
    margin: 0;
    font-size: 0.8em;
    color: #252b4d;
}
p img {
    float: left;
    margin: 2px;
}
.premiere_lettre {
    float: left;
    font-size: 1.8em;
    border: 1px dotted black;
    padding: 0;
    margin: 0 2px 0 0;
    background-color: #F5FFBD;
}
.contenu {
    margin-top: 10px;
    padding-top: 5px;
    border-top: 2px solid blue;
    clear: both;
}
.contenu p:hover {
    background-color: #F2FFFC;
    border-left: 2px solid red;
    margin-left: -2px;
}
.titre {
    background-color: #DEF5FF;
    margin-bottom: 0;
    padding:2px 0 2px 5px;
}
.sous_titre {
    text-decoration: underline;
    background-color: #CCE6FF;
}

.date {
    float: right;
    font-size: 0.8em;
    background-color: #B0FFE7;
}

/* Mot survolés avec définition, pas pour IE */
p>.definition {
    color: #0F3BA9;
    cursor: pointer;
}
p>.definition span {
    display: none;
    font-size: 0.7em;
    width: 20em;
    font-weight: normal;
    letter-spacing: 1px;
}
p>.definition:hover span {
    display: inline;
    position: fixed;
    border: 1px solid gray;
    background-color: white;
    top: 10px;
    right: 10px;
    padding: 3px;
}

.reference p {
    font-weight: bold;
    margin-top:0;
}
.reference dt {
    margin: 15px 0 0 0;
}
.reference dd {
    margin: 0 0 1px 0;
}
.conclusion {
    border-left: 2px solid gray;
    margin-left: -2px;
    border-top: 5px solid gray;
}
.annexe {
    border: 1px solid #FF7D12;
    border-top-width: 2px;
    border-left-width: 2px;
}