Internal popup

HTML

<a href="drive.ru" class="internal-popup">Link</a>

<div id="popup-frame">
    <div>
        <a href="#" onclick="$('#popup-frame').hide(); return false;">x</a>
        <iframe src="drive.ru" id="popup-iframe" name="popup-iframe"></iframe>
    </div>
</div>

CSS

* {
    box-sizing: border-box;
    -o-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
}

#popup-frame {
    display: nne;
    position: fixed;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
}
#popup-frame:before {
    position: fixed;
    z-index: -1;
    top: 0px;
    bottom: 0px;
    left: 0px;
    right: 0px;
    background-color: rgba(0,0,0, 0.6);
    content: "";
}
#popup-frame > div {
    position: relative;
    float: left;
    width: 100%;
    height: 100%;
    padding: 10px;
    padding-top: 30px;
    margin: 0px;
    box-shadow: 1px 1px 15px 0px rgba(0,0,0, 0.8),
        0px 0px 0px 2px rgba(0,0,0, 0.2);
    -webkit-box-shadow: 1px 1px 15px 0px rgba(0,0,0, 0.8),
        0px 0px 0px 2px rgba(0,0,0, 0.2);
    background-color: #fff;
    border-radius: 5px;
    -webkit-border-radius: 5px;
}

#popup-frame > div > a {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    padding: 5px;
    font-weight: bold;
    font-size: 20px;
    line-height: 8px;
    font-family: verdana, sans-serif;
    color: #333;
    text-shadow: 1px 1px 0px rgba(0,0,0, 0.3);
    background-color: #fff;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    text-decoration: none;
}

#popup-frame > div > a:hover {
    color: #fff;
    text-shadow: -1px -1px 0px rgba(0,0,0, 0.3);
    background-color: #333;
}

#popup-iframe {
    float: left;
    display: inline-block;
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1001;
    border: 1px solid rgba(0,0,0, 0.3);
}

JavaScript

$("a.internal-popup").click(function() {
      
      // load href-URL in iframe
      $("#popup-iframe").attr("src", $(this).attr("href"));
      
      // show popup-DIV
      $("#popup-frame").show();
      
      // prevent the original click
      return false;
      
    });