.instagram_gallery {
    display: flex;
    flex-wrap: wrap;
}

.instagram_gallery a[data-caption]:hover::after {
    content: attr(data-caption);
    text-align: center;
    font-size: 14px;
    color: #fff;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 5%;
    max-height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: rgb(0 0 0 / 65%);
    backdrop-filter: blur(5px);
}