.popup_overlay{
    display: none;
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    z-index:10000;
}

.popup_content {
    display: none;
    position: absolute;
    top: 25%;
    padding: 16px;
    -webkit-box-shadow: 0 0 5px 2px #fff;
    -moz-box-shadow: 0 0 5px 2px #fff;
    box-shadow: 0 0 5px 2px #fff;
    z-index:10001;
    overflow: auto;
}

.popup_content p {
    clear: both;
}