Hide Specific Area from Bottom of Iframe

<!DOCTYPE html>
<html>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="script.js"></script>
  </head>

  <body>
    <iframe id="iframe" src="http://www.medicamall.com"></iframe>
  </body>

</html>

// Code goes here

/* Styles go here */

body {
    margin:0;
    padding:0;
    height:100%;
    overflow: hidden;
}
#iframe {
    border:none;
    width:100%;
    height:calc(100% + 200px);  
    position: absolute;
}