#imagenes {
    margin: 0 auto;
    width: 625px;
    z-index: 1;
}

#imagenes div {
    float: left;
    width: 132px;
    height: 100px;
    background: #80ba26;
    margin: 5px;
    padding: 5px;
    border: 1px solid #999;
    cursor: pointer;
    border-radius: .5em;
    box-shadow: 0 1px 2px rgba(0,0,0,.5);
    z-index: 2;
}

#imagenes div img {
    border: none;
    z-index: 3;
}

#botonera{
    text-align: center;
    padding: 20px;
}

.opacity {
    opacity: .6;
    filter: alpha(opacity=60);
}

.link {
    font-size: 18px;
    color: #ffffff;
    text-decoration: none;
    background: #80ba26;
    padding: 5px 10px;
    border-radius: .5em;
}

.link:hover {
    background: #f49712;
}