body {
    font-family: sans-serif;
    font-weight: 300;
    font-size: 13px;
    color: #111;
}

#wrapper {

}
#content {

}
#files {
    text-align: center;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

#files .file {
    background-color: #a9a9a9;
    padding: 2px;
    width: 105px;
    border: 1px solid #e2e2e2;
    margin: 10px;
    overflow: hidden;
}

#files .file img {
    cursor: pointer;
    height: 100%;
    width: 100%;
}

#files .file:hover {
    opacity: 0.8;
    border: 1px solid green;
}
#links {
    padding-top: 1rem;
    border-top: 1px solid #cccccc;
    background-color: #eeeeee;
}