.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    padding: 20px;
}

.grid-item {
    box-shadow: 4px 4px 15px rgba(0, 0, 0, 0.2);
}

.grid-item img {
    width: 100%;
    height: auto;
    display: block;
}

.grid-item a {
    display: block;
    text-decoration: none;
}

.sst-link {
    width: calc(3 * 280px + 2 * 15px);
    margin: 0 auto;
    padding: 20px;
}

.sst-link img {
    width: 100%;
    height: auto;
    box-shadow: 4px 4px 15px rgba(0, 0, 0, 0.2);
}

.links-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 10px;
    max-width: calc(3 * 280px + 2 * 15px);
    margin: 0 auto;
    color: black;
    font-size: 14px;
}

.links-bottom a {
    color: black;
    text-decoration: underline;
    margin: 5px 10px;
}

.links-bottom a:hover {
    text-decoration: underline;
}

/* Mobile adjustments */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .sst-link, .links-bottom {
        width: 100%;
    }

    .links-bottom {
        flex-direction: column;
        text-align: center;
    }

    .links-bottom a {
        margin: 5px 0;
    }
}