.row_gallery {
    text-align: center;
    margin: 10px 0 20px 0;
}
.row_gallery h2 {
    color: #202020;
    font-size: 30px;
    line-height: 39px;
    margin-bottom: 10px;
}
.all_gallery {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.all_gallery .slide-gallery {
    margin: 0 15px;
}
.all_gallery .slide-gallery img {
    max-width: 100%;
}