#galerie li
{
list-style-type: none;
float: left;
margin: 0 10px 10px 0;
text-align: center;
font-weight: bold;
position: relative;
}

#photos {
    opacity: .88;
}

#photos img {
    width: 30%;
    float: right;
    display: block;
    margin: 2px;
}

ul {
    list-style: none;
    margin: 0px auto;
    padding: 10px;
    display: block;
    max-width: 780px;
    text-align: center;
}

#overlay {
    background: rgba(0,0,0, .8);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    text-align: center;
}

#overlay img {
    margin: 30% auto 0;
    width: 550px;
    border-radius: 5px;
}

#photos {
    width: 100%;
}

#photo-gallery {
    width: 100%;
}