div.gallery {
    margin: 5px;
    border: 1px solid #ccc;
    float: left;
    width: 180px;
}

    div.gallery:hover {
        border: 1px solid #777;
    }

    div.gallery img {
        width: 100%;
        height: auto;
    }

div.desc {
    padding: 15px;
    text-align: center;
}
