anchor.diff:  
         <div class='source_body'>
           <div class='source_download'>
  -          <a href='#'>Download at project website<i class='arrow_down'></i></a>
  +          <a href='http://gfw2-data.s3.amazonaws.com/conservation/zip/critical_tiger_corridors.zip' target='_blank' title='Download'<i class='arrow_down'></i></a>
           </div>
   
           <div class='source_table'>
  
positive.code: 
        <div class='source_body'>
          <div class='source_download'>
            <a href='https://www.dropbox.com/s/lkc5b1jfaulxtlw/AZE.zip?dl=0' target='_blank' title='Download at project website'>Download at project website<i class='arrow_down'></i></a>
          </div>
  
          <div class='source_table'>
  
negative.code: 
        <div class='source_body'>
          <div class='source_download'>
            <a href='http://gfw2-data.s3.amazonaws.com/conservation/zip/tiger_conservation_landscapes_tx2.zip' target='_blank' title='Download'<i class='arrow_down'></i></a>
          </div>
  
          <div class='source_table'>
  