.gallery-head {
    text-align: center;
}

.cover {
    display: grid;
    grid-template-columns: 33.2% 33.2% 33.2%;
    grid-auto-flow: row;
    gap: 2px;
}

.cover img {
    width: 100%;
    margin: auto auto;
}

.cover .w3 {
    grid-column: span 3;
}

.subtitle {
    background: var(--theme-primary-color);
    color: white;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 6px;
    font-size: larger;
    text-align: center;
}