p.alerte_del, p.alerte_del_all {
    color: red;
    display: none;
    font-size: 10px;
    font-weight: bold;
}
a.alerte_btn {
    background-position: center top;
    background-repeat: no-repeat;
    display: block;
    float: left;
    height: 24px;
    width: 28px;
}

a.alerte_btn:hover {
    background-position: center bottom;
}
a.btn_add {
    background-image: url("../img/alerte/ajouter.png");
}
a.btn_del {
    background-image: url("../img/alerte/del.png");
}
a.btn_up {
    background-image: url("../img/alerte/up.png");
}
a.btn_down {
    background-image: url("../img/alerte/down.png");
}
a.btn_undo {
    background-image: url("../img/alerte/undo.png");
}
a.btn_add {
    background-position: right top;
    height: 27px;
    width: 138px;
}
a.btn_add:hover {
    background-position: right bottom;
}

div.error_message_alertePro {
    margin-left: 0;
}