.thematique
{
 color: black;
    font-size: 24px;
}
.resume
{
        color: white;
            font-size: 100%;
}
.titre_news_bas
{
        color: white;
            font-size: 110%;
/*        text-transform:uppercase;*/
}

@media screen and (max-width: 768px) {
    .photosresponsives {
        display: none;
    }
}