title: resize window when keyboard displayed on mobile phone
body: <p>I develop a mobile version of the site. In accordance with the principles of responsive design block size is a percentage. </p>
  
  <p>html, body{
     width: 100%;
     height: 100%
  }</p>
  
  <p>What or when the input box has focus virtual keyboard appears. Since the decreased height of the screen, the size of the other units also decreased (as indicated in percentage of body). How can I avoid this? How can I avoid this? Ie block height must be calculated from the height of the device screen. Thank you.</p>