.pco-modal {
    position: fixed; /* Stay in place */
    z-index: 1000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(255, 255, 255, 0.9);
    transition: all 1s;
    padding: 20px;
}
.pco-modal-content {
    background-color: #fefefe;
    margin: 5% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    max-width: 600px; /* Could be more or less, depending on screen size */
    text-align: center;
}