body {
    background: #222;
    color: #FFF;
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    margin: 0;
    padding: 0;
}

header {
    font-size: 1rem;
    background: #000;
    margin: 0;
    display: flex;
    gap: 0.5rem;
    padding: .5rem;
    font-weight: 700;
    position: sticky;
    top: 0;
    z-index: 5;
}
header h1 {
    margin: 0;
    font-size: 1rem;
}
header a {
    color: #FFF;
    text-decoration: none;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(480px, 48%), 1fr));
    gap: 1px;
}

.gallery-item {
    position: relative;
    display: block;
    text-decoration: none;
    color: #FFF;
    aspect-ratio: 1/1;
}
.gallery-item img {
    position: absolute;
    object-fit: cover;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.gallery-item h3 {
    position: absolute;
    top: 0;
    left: 0;
    padding: .5rem 1rem;
    margin: 0;
    font-size: .9rem;
    box-shadow: 0 0 2px 0 rgba(0, 0, 0, 1);
    background: black;
    opacity: 0.7;
}
.gallery-item:hover h3 {
    opacity: 1;
}
.gallery-item h3 small {
    font-weight: 400;
    font-size: .8rem;
}

footer {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    justify-content: center;
    opacity: .6;
}
footer a {
    color: #fff;
    text-decoration: underline;
}