.block-picto svg,
.block-picto img {
    max-width: 100%;
    height: auto;
}
.block-picto.picto_center {
    margin-left: auto;
    margin-right: auto;
}
.block-picto.picto_left {
    margin-right: auto;
}
.block-picto.picto_right {
    margin-left: auto;
}