.instagram{
    padding-top: 75px;
    padding-bottom: 70px;
    text-align: center;
}
.instagram__logo{
    width: 157px;
    margin: 0 auto 25px auto;
}
.instagram__logo img{
    width: 100%;
}
.instagram ul{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 12px;
}
.instagram ul > li{
    background-color: black;
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}
.instagram ul > li > a{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.instagram ul > li > a > img, .instagram ul > li > a > span{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.instagram ul > li > a > img{
    transition: all .3s;
}
.instagram ul > li > a > img:hover{
    opacity: .6;
}
.instagram__btn a {
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    /* background-image: url("../images/bg_bk.jpg"); */
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: calc(1.3375rem + 1.05vw);
    padding-bottom: calc(1.3375rem + 1.05vw);
}

.instagram__btn a .material-icons {
    font-size: 0.875rem;
    padding-left: 0.3125rem;
}

@media (min-width: 1200px) {
    .instagram__btn a {
        padding-top: 2.125rem;
    }
}
@media (max-width: 1080px) {
    .instagram ul{
        padding: 0 1rem;
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 640px) {
    .instagram{
        padding-top: 45px;
        padding-bottom: 40px;
        text-align: center;
    }
    .instagram ul{
        padding: 0 1rem;
        grid-template-columns: repeat(2, 1fr);
    }
}