art.css

.gallery-section {
    margin: 20px;
}

.gallery-section h2 {
    text-align: center;
    color: #333;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-gap: 20px;
    justify-content: space-around;
    padding: 20px;
}

.image {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.image img {
    width: 100%;
    height: auto;
    display: block;
}

.overlay {
    position: absolute;
    top: 100%; 
    left: 0;
    right: 0;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient( rgba(0, 0, 0, 0),rgba(0, 0, 0, 0.8));
    opacity: 0;
    transition: opacity 0.3s, top 0.3s; 
}

.image:hover .overlay {
    top: 0; 
    opacity: 1;
}