.block_gallery{
    width: 960px;
    margin: 50px auto;
}

@media (max-width: 960px){
    .block_gallery{
        width: 95%;
        margin: 50px auto;
    }
}

.block_gallery .titulo{
    font-size: 90px;
    line-height: 69px;
    padding-top: 70px;
    color: black;
    width: 100%;
    text-align: left;
    margin-bottom: 60px;
}

@media (max-width: 400px){
    .block_gallery .titulo{
        font-size: 40px;
        line-height: 69px;
        padding-top: 50px;
        color: black;

        text-align: left;
        margin-bottom: 30px;
    }
}


.gallery{
    max-width: 100%;
    margin: 0 auto;
}



@media  (min-width: 421px){

    .instagram_gallery {
        width: 186px;
    }

    .instagram_gallery.grande{
        width: 378px;
    }
}

@media  (max-width: 420px){

    .instagram_gallery {
        width: 99%;
    }

    .instagram_gallery.grande{
        width: 99%;
    }

}

.instagram_gallery img {
    max-width: 100%;
}