.div_actu {
    text-align: center;
    margin-top: 20px;
    max-width: 800px;
    margin: auto;
}

.div_actu img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.actu-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
}

.actu-contenu {
    margin-top: 20px;
    text-align: left;
}

.date_actu {
    font-size: smaller;
    color: #666;
    margin-bottom: 15px;
    display: inline-block;
}

.titre_actu {
    text-transform: uppercase;
    font-size: x-large;
    margin-bottom: 10px;
}

hr {
    width: 100%;
    height: 1px;
    background: #DDD;
    margin-top: 30px;
}