jsbin.hopuz.css

html,body{
  margin:0;
  padding:0;
}
#block{
  width: 134px;
  height: 21px;
  background:#FFF;
  font-family:'HelveticaNeue-Medium', 'HelveticaNeue Medium', 'Helvetica Neue Medium';
  font-size: 12px;
}
#block div{
  float:left;
  margin-right: 3px;
  line-height:21px;
}
#price{
  position:relative;
  overflow:hidden;
}
#price span{
  display:block;
  position:absolute;
  top:0;
  left:0;
}
#strikeThrough{
  background-image: url(data:image/png;base64,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);
  background-repeat:no-repeat;
  background-position:top left;
  background-size: 75px 6px;
  width:100px;
  height:30px;
  top:8px!important;
  width:75px;
  height:6px;
}
#iap span{
  background-image: url(data:image/png;base64,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);
  
  background-repeat:no-repeat;
  background-position: bottom right;
  background-size: 12px 12px;
  float:right;
  width:12px;
  height:12px;
  padding:3px 0 0 2px;
  
}

#iap span.left{
  float:left;
  background-position:bottom left;
  padding:3px 4px 0 0;

}

jsbin.hopuz.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
  <div id="block">
    <div id="priceText"><!-- #TRANS(OriginaOriginal price:) --></div>
    <div id="price">
    </div>
    <div id="iap"></div>
  </div>
</body>
</html>

jsbin.hopuz.js

window.setData = function (originalPrice, inApp)
{
  var txt_original_price = '', txt_free = 'FREE', w = window;
  if (originalPrice)
  {
    if (window.navigator.language === 'fr')
     {
       txt_original_price = 'Prix d\'origine:';
     } else {
       txt_original_price = 'Original price:';
     }
     document.getElementById('price').innerHTML = originalPrice + '<span id="strikeThrough"></span>';
      document.getElementById('priceText').innerHTML = txt_original_price;
  }
  
  if (inApp)
  {
    if (originalPrice)
    {
      document.getElementById('iap').innerHTML = '+<span></span>';
    } else {
      document.getElementById('iap').innerHTML = '<span class="left"></span>'+inApp;
    }
  }


};

setData('4.25 €','$2.99');