.gallery {
    width: 90%;
    height: auto;
    display:flex;
    flex-wrap:wrap;
    justify-content:space-evenly;
    margin:50px auto;
}

.gallery_div_small {
    width: 31%;
    height: 350px !important;
    margin-top:15px;

}

    .gallery_div_small img {
        width: 100%;
        height: 100%;
    }

@media screen and (max-width: 470px){


    .gallery {
        width: 90% !important;
        margin: auto;
        justify-content: space-evenly;
        display: flex !important;
        flex-wrap: wrap !important;
        height: auto;
    }
    .gallery_div_small img {
        width: 100%;
        height: 100%;
    }
    .gallery_div_small{
        width: 95% !important;
        height: auto !important;
    }
}


@media screen and (max-width: 718px){


    .gallery {
        width: 90% !important;
        margin: auto;
        justify-content: space-evenly;
        display: flex !important;
        flex-wrap: wrap !important;
        height: auto;
    }

    .gallery_div_small {
        width: 95% !important;
        height: auto !important;
    }
        .gallery_div_small img {
            width: 100%;
            height: 100%;
        }
}