.lp-gfp-gallery-container {
    width: 100%;
    height: auto;
    padding: 20px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-auto-rows: auto;
    grid-gap: 20px;
    grid-template-areas:
        "main main main";
}
.lp-gfp-gallery-item:first-child {
    grid-area: main;
}
.lp-gfp-gallery-item a {
    display: block;
    width: auto;
}
.lp-gfp-gallery-item a img {
    width: 100%;
}