.block-type-texte figure.image{
    padding:25px 0;
}

.block-type-texte figure.image img{
    display:block;
    max-width:100%;
    margin:auto;
}

@media (min-width: 768px) {

    .block-type-texte figure.image.image-style-side{
        float:right;
        padding:0 0 25px 25px;
        max-width:33%;
    }

}