.modal-overlay, .modal-window {
    position: fixed;
    margin: 0;
    padding: 0
}

.modal-overlay {
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: 101
}

.modal-window {
    top: 50%;
    left: 50%;
    z-index: 102;
    -moz-box-shadow: 0 0 90px 5px #000;
    -webkit-box-shadow: 0 0 90px #000;
    box-shadow: 0 0 90px #000
}
